From 533f6eabc4416a1d1bad14256dde68cc04bedf2d Mon Sep 17 00:00:00 2001
From: smallkun <smallerkun@foxmail.com>
Date: Thu, 6 Mar 2025 23:47:59 +0800
Subject: [PATCH] Auto commit
---
2207/天天乐学答案/源码/C语言-1/1.c | 32 +++++++++++++++++++++++
2207/天天乐学答案/源码/C语言-1/10.c | 25 ++++++++++++++++++
2207/天天乐学答案/源码/C语言-1/11.c | 34 ++++++++++++++++++++++++
2207/天天乐学答案/源码/C语言-1/12.c | 40 +++++++++++++++++++++++++++++
2207/天天乐学答案/源码/C语言-1/13.c | 31 ++++++++++++++++++++++
2207/天天乐学答案/源码/C语言-1/14.c | 29 +++++++++++++++++++++
2207/天天乐学答案/源码/C语言-1/15.c | 20 +++++++++++++++
2207/天天乐学答案/源码/C语言-1/16.c | 20 +++++++++++++++
2207/天天乐学答案/源码/C语言-1/17.c | 19 ++++++++++++++
2207/天天乐学答案/源码/C语言-1/18.c | 21 +++++++++++++++
2207/天天乐学答案/源码/C语言-1/19.c | 21 +++++++++++++++
2207/天天乐学答案/源码/C语言-1/2.c | 20 +++++++++++++++
2207/天天乐学答案/源码/C语言-1/20.c | 27 +++++++++++++++++++
2207/天天乐学答案/源码/C语言-1/3.c | 32 +++++++++++++++++++++++
2207/天天乐学答案/源码/C语言-1/4.c | 31 ++++++++++++++++++++++
2207/天天乐学答案/源码/C语言-1/5.c | 19 ++++++++++++++
2207/天天乐学答案/源码/C语言-1/6.c | 19 ++++++++++++++
2207/天天乐学答案/源码/C语言-1/7.c | 23 +++++++++++++++++
2207/天天乐学答案/源码/C语言-1/8.c | 22 ++++++++++++++++
2207/天天乐学答案/源码/C语言-1/9.c | 24 +++++++++++++++++
20 files changed, 509 insertions(+)
create mode 100644 2207/天天乐学答案/源码/C语言-1/1.c
create mode 100644 2207/天天乐学答案/源码/C语言-1/10.c
create mode 100644 2207/天天乐学答案/源码/C语言-1/11.c
create mode 100644 2207/天天乐学答案/源码/C语言-1/12.c
create mode 100644 2207/天天乐学答案/源码/C语言-1/13.c
create mode 100644 2207/天天乐学答案/源码/C语言-1/14.c
create mode 100644 2207/天天乐学答案/源码/C语言-1/15.c
create mode 100644 2207/天天乐学答案/源码/C语言-1/16.c
create mode 100644 2207/天天乐学答案/源码/C语言-1/17.c
create mode 100644 2207/天天乐学答案/源码/C语言-1/18.c
create mode 100644 2207/天天乐学答案/源码/C语言-1/19.c
create mode 100644 2207/天天乐学答案/源码/C语言-1/2.c
create mode 100644 2207/天天乐学答案/源码/C语言-1/20.c
create mode 100644 2207/天天乐学答案/源码/C语言-1/3.c
create mode 100644 2207/天天乐学答案/源码/C语言-1/4.c
create mode 100644 2207/天天乐学答案/源码/C语言-1/5.c
create mode 100644 2207/天天乐学答案/源码/C语言-1/6.c
create mode 100644 2207/天天乐学答案/源码/C语言-1/7.c
create mode 100644 2207/天天乐学答案/源码/C语言-1/8.c
create mode 100644 2207/天天乐学答案/源码/C语言-1/9.c
diff --git a/2207/天天乐学答案/源码/C语言-1/1.c b/2207/天天乐学答案/源码/C语言-1/1.c
new file mode 100644
index 0000000..b4a5c59
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/1.c
@@ -0,0 +1,32 @@
+/*
+-------------------------------------------------------
+��������ա�
+---------------------------------------------------------
+��ӡ����ͼ����
+*****
+ *****
+ *****
+ *****
+ *****
+*/
+#include<stdio.h>
+void main()
+{
+ int i =0 , j =0 , k=0;
+
+ /**********Program**********/
+ for(i=0;i<5;i++){
+ for(j=0;j<i;j++){
+ printf(" ");
+ }
+ for(k=0;k<5;k++){
+ printf("*");
+ }
+ printf("\n");
+ }
+
+ /********** End **********/
+
+ printf("\n");
+}
+
diff --git a/2207/天天乐学答案/源码/C语言-1/10.c b/2207/天天乐学答案/源码/C语言-1/10.c
new file mode 100644
index 0000000..e467137
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/10.c
@@ -0,0 +1,25 @@
+/*------------------------------------------------------------------------
+��������ơ����ܣ�ʹ��forѭ�����Fibonacci���е�ǰ15�Ҫ��ÿ�����5�
+ Fibonacci����1,1,2,3,5,8,13...........
+----------------------------------------------------------------------*/
+#include <stdio.h>
+main()
+{
+ int fib[15],i;
+ fib[0]=1;fib[1]=1;
+/**********Program**********/
+ for(i=2;i<15;i++){
+ fib[i]=fib[i-1]+fib[i-2];
+ }
+
+
+
+
+/********** End **********/
+
+ for(i=0;i<15;i++)
+ {
+ printf("%d\t",fib[i] );
+ if ( i%5==4 ) printf("\n");
+ }
+}
diff --git a/2207/天天乐学答案/源码/C语言-1/11.c b/2207/天天乐学答案/源码/C语言-1/11.c
new file mode 100644
index 0000000..d27e698
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/11.c
@@ -0,0 +1,34 @@
+/*-------------------------------------------------------
+1. �ж�101-200֮���ж��ٸ�����������������������ж������ķ���IsPrime����һ�����ֱ�ȥ��2��sqrt(�����)������ܱ����������������������������֮�������� --------------------------------------------------------*/
+#include <stdio.h>
+#include<math.h>
+int IsPrime (int n)
+{
+ int i=2;
+ for(i=2;i<=sqrt(n);i++)
+/**********Program**********/
+ if(n%i==0){
+ return 0;
+ }
+
+
+
+
+/********** End **********/
+ return 1;
+}
+
+int main( )
+{
+ int i ;
+ for(i=100;i<=200;i++ )
+ {
+ if ( IsPrime( i) )
+ {
+ printf("% d",i);
+ }
+}
+return 0;
+}
+
+
\ No newline at end of file
diff --git a/2207/天天乐学答案/源码/C语言-1/12.c b/2207/天天乐学答案/源码/C语言-1/12.c
new file mode 100644
index 0000000..146d042
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/12.c
@@ -0,0 +1,40 @@
+/*-------------------------------------------------------
+
+���ܣ����100��1000֮��ĸ�λ����֮���ܱ�15�����������������ʱÿ10��һ�С�
+�������ÿ����ռ5���ַ���
+ 159 168 177 186 195 249 258 267 276 285
+ 294 339 348 357 366 375 384 393 429 438
+ 447 456 465 474 483 492 519 528 537 546
+ 555 564 573 582 591 609 618 627 636 645
+ 654 663 672 681 690 708 717 726 735 744
+ 753 762 771 780 807 816 825 834 843 852
+ 861 870 906 915 924 933 942 951 960
+-------------------------------------------------------*/
+#include<stdio.h>
+main()
+{
+ int m,n,k,i=0;
+ for(m=100;m<=1000;m++)
+ {
+ k=0;
+ n=m;
+/**********Program**********/
+ while(n){
+ k+=n%10;
+ n/=10;
+ }
+ if(k%15==0){
+ i++;
+ printf("%5d", m);
+
+ if(i%10==0){
+ printf("\n");
+ }
+ }
+
+
+
+/********** End **********/
+
+ }
+}
diff --git a/2207/天天乐学答案/源码/C语言-1/13.c b/2207/天天乐学答案/源码/C语言-1/13.c
new file mode 100644
index 0000000..874728e
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/13.c
@@ -0,0 +1,31 @@
+/*-------------------------------------------------------
+��Ŀ�� ��ӡ����ͼ����
+
+*********
+ *******
+ *****
+ ***
+ *
+--------------------------------------------------------*/
+#include<stdio.h>
+void main()
+{
+ int i,j,k;
+ for( i=0 ; i<5; i++ )
+ {
+ printf("\n");
+/**********Program**********/
+ for(j=0;j<i*2;j++){
+ printf(" ");
+ }
+ for(k=0;k<9-j;k++){
+ printf("*");
+ }
+
+
+
+
+/********** End **********/
+ }
+ printf("\n");
+}
diff --git a/2207/天天乐学答案/源码/C语言-1/14.c b/2207/天天乐学答案/源码/C语言-1/14.c
new file mode 100644
index 0000000..eeac789
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/14.c
@@ -0,0 +1,29 @@
+/*-------------------------------------------------------
+1. ��д����ӡ����ͼ����
+*****
+ ***
+ *
+--------------------------------------------------------*/
+#include<stdio.h>
+void main()
+{
+ int i,j,k;
+/**********Program**********/
+ for(i=0;i<3;i++){
+ for(j=0;j<i;j++){
+ printf(" ");
+ }
+ for(k=0;k<5-j*2;k++){
+ printf("*");
+ }
+ printf("\n");
+ }
+
+
+
+
+
+/********** End **********/
+
+ printf("\n");
+}
diff --git a/2207/天天乐学答案/源码/C语言-1/15.c b/2207/天天乐学答案/源码/C语言-1/15.c
new file mode 100644
index 0000000..7b89029
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/15.c
@@ -0,0 +1,20 @@
+/*-------------------------------------------------------
+���ܣ����õ�����������ʵ���������ĶԵ�������
+--------------------------------------------------------*/
+#include <stdio.h>
+main()
+{
+ int a,b;
+ scanf("%d%d",&a , &b );
+ printf("a=%d,b=%d\n",a,b);
+/**********Program**********/
+ a = a+b;
+ b = a-b;
+ a = a-b;
+
+
+
+
+/********** End **********/
+ printf("a=%d,b=%d\n", a,b);
+}
diff --git a/2207/天天乐学答案/源码/C语言-1/16.c b/2207/天天乐学答案/源码/C语言-1/16.c
new file mode 100644
index 0000000..6b69db0
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/16.c
@@ -0,0 +1,20 @@
+/*-------------------------------------------------------
+��Ŀ���뽫123-321֮��ż���ۼ�������ս����
+--------------------------------------------------------*/
+#include <stdio.h>
+int main()
+{
+ int i;
+ long sum = 0;
+ for(i = 123; i <= 321; i++ )
+ {
+/**********Program**********/
+ if(i%2==0){
+ sum += i;
+ }
+/********** End **********/
+ }
+ printf ("�ܺ�Ϊ : %ld.\n",sum);
+ return 0;
+}
+
diff --git a/2207/天天乐学答案/源码/C语言-1/17.c b/2207/天天乐学答案/源码/C语言-1/17.c
new file mode 100644
index 0000000..34ba141
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/17.c
@@ -0,0 +1,19 @@
+/*-------------------------------------------------------
+��Ŀ����123��321֮��Ŀ��Ա�7���������������ʹ��forѭ����
+--------------------------------------------------------*/
+#include <stdio.h>
+void main()
+{
+ int a=0;
+/**********Program**********/
+ for(a=123;a<=321;a++){
+ if(a%7==0){
+
+
+
+
+/********** End **********/
+ printf("%d\n",a);
+ }
+ }
+}
diff --git a/2207/天天乐学答案/源码/C语言-1/18.c b/2207/天天乐学答案/源码/C语言-1/18.c
new file mode 100644
index 0000000..03ca9ef
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/18.c
@@ -0,0 +1,21 @@
+/*-------------------------------------------------------
+���ܣ���������ʮ���������ҳ���ƽ������һ��������ӡ������
+--------------------------------------------------------*/
+#include <stdio.h>
+void main()
+{
+ int i;
+ float x,y,z=0;
+ printf("\n������10������");
+ for(i=1;i<=10;i++)
+ {
+/**********Program**********/
+ scanf("%f", &x);
+ if(x*x > z){
+ z = x*x;
+ y = x;
+ }
+/********** End **********/
+ }
+ printf("ƽ������һ�����ǣ�%f\n",y);
+}
diff --git a/2207/天天乐学答案/源码/C语言-1/19.c b/2207/天天乐学答案/源码/C语言-1/19.c
new file mode 100644
index 0000000..df486de
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/19.c
@@ -0,0 +1,21 @@
+/*-------------------------------------------------------
+���ܣ��Ӽ�������һλ����i���������λ����֮�͡�������������
+ 31421�����ӡ���Ϊ11����ʹ��whileѭ����
+--------------------------------------------------------*/
+#include<stdio.h>
+main()
+{
+ int i,sum=0,a;
+ scanf("%d",&i);
+/**********Program**********/
+ while(i){
+ sum += i%10;
+ i/=10;
+ }
+
+
+
+
+/********** End **********/
+ printf("%d\n",sum);
+}
diff --git a/2207/天天乐学答案/源码/C语言-1/2.c b/2207/天天乐学答案/源码/C语言-1/2.c
new file mode 100644
index 0000000..bc999af
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/2.c
@@ -0,0 +1,20 @@
+/*-------------------------------------------------------
+���ܣ���д������������������֮�͡�
+-------------------------------------------------------*/
+#include"stdio.h"
+main()
+{
+ int x,y,z=0;
+ scanf ("%d%d", &x,&y);
+/**********Program**********/
+ if(x!=0 && y!=0){
+ z = x+y;
+
+
+
+/********** End **********/
+ printf("z=%d\n", z);
+ }
+ else
+ printf("��������������һ����Ϊ��ֵ\n");
+}
diff --git a/2207/天天乐学答案/源码/C语言-1/20.c b/2207/天天乐学答案/源码/C语言-1/20.c
new file mode 100644
index 0000000..35ea979
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/20.c
@@ -0,0 +1,27 @@
+/*-------------------------------------------------------
+���ܣ���д����ʹ��Switch )�����������գ�����������Ǹ���ĵڼ��졣�ж��Ƿ�Ϊ
+ ����������ǣ��ܱ� 4 �������Dz��ܱ�100���������ܱ��İ�������
+--------------------------------------------------------*/
+#include"stdio.h"
+main()
+{
+ int year,month,day,days=0,i,d;
+ printf("��������-��-��:");
+ scanf("%d-%d-%d",&year,&month,&day);
+ for(i=1;i<month;i++)
+ {
+/**********Program**********/
+ switch(i){
+ case 1:
+ case 3:
+ case 5:
+ case 7:
+ case 8:
+ case 10: days+=31;break;
+ case 2: days+=(28 + (year%4==0&&year%100!=0 || year%400==0?1:0));break;
+ default: days+=30;
+ }
+/********** End **********/
+ }
+ printf("%d-%d-%d�Ǹ����%d��\n",year,month,day,days + day);
+}
diff --git a/2207/天天乐学答案/源码/C语言-1/3.c b/2207/天天乐学答案/源码/C语言-1/3.c
new file mode 100644
index 0000000..6c19735
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/3.c
@@ -0,0 +1,32 @@
+/*------------------------------------------------------------------------
+��������ơ����д����sum,�书���ǣ���Whileѭ�������1��n֮�䣨����n)��
+��3��������������֮��,����������ظ�����������nֵ�����������룩
+���г���������룺10�������Ϊ��18
+----------------------------------------------------------------------*/
+#include "stdio.h"
+
+long sum(int n)
+{
+/**********Program**********/
+ int i, s=0;
+ for(i=1;i<=n;i++){
+ if(i%3==0){
+ s+=i;
+ }
+ }
+
+
+ return s;
+/********** End **********/
+
+}
+
+void main()
+{
+ int x;
+ long f;
+ scanf("%d",&x);
+ f=sum(x);
+ printf("%ld\n",f);
+
+}
diff --git a/2207/天天乐学答案/源码/C语言-1/4.c b/2207/天天乐学答案/源码/C语言-1/4.c
new file mode 100644
index 0000000..7cce152
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/4.c
@@ -0,0 +1,31 @@
+/*-------------------------------------------------------
+���ܣ���Ƴ����ӡ������ͼ�������Σ�
+
+ *
+ ***
+ *****
+*******
+ *****
+ ***
+ *
+-------------------------------------------------------*/
+#include <stdio.h>
+main()
+{
+ int i,j,k;
+/**********Program**********/
+ for(i=-3;i<=3;i++){
+ for(j=0;j<(i<0?-i:i);j++){
+ printf(" ");
+ }
+ for(k=0;k<7-j*2;k++){
+ printf("*");
+ }
+ printf("\n");
+ }
+
+
+
+
+/********** End **********/
+}
diff --git a/2207/天天乐学答案/源码/C语言-1/5.c b/2207/天天乐学答案/源码/C语言-1/5.c
new file mode 100644
index 0000000..3f6584b
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/5.c
@@ -0,0 +1,19 @@
+/*------------------------------------------------------
+��Ŀ���Ӽ�������һ������n,��2 �� n-1�������ܱ�n����������
+���磺����10 ��� 2 5
+ ����99 ��� 3 9 11 33
+--------------------------------------------------------*/
+#include "stdio.h"
+ int main ( )
+{
+int n,i;
+printf("input a number:");
+scanf ("%d", &n);
+/**********Program**********/
+ for(i=2;i<n;i++)
+ if(n%i==0)
+
+
+/********** End **********/
+printf ("%d\n",i);
+}
diff --git a/2207/天天乐学答案/源码/C语言-1/6.c b/2207/天天乐学答案/源码/C语言-1/6.c
new file mode 100644
index 0000000..37337ef
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/6.c
@@ -0,0 +1,19 @@
+/*-------------------------------------------------------
+ ��������ա� 2����һ��ƻ����100��200֮�䣩������ֳ�4��ƻ��һ��������飬���2��ƻ�������ֳ�7��ƻ��һ�飬���3��ƻ���� ���ֳ�9��ƻ��һ�飬���5��ƻ�������ʵ����ƻ���ĸ�����
+ --------------------------------------------------------*/
+
+ # include <stdio.h>
+ main ()
+ {
+ int i;
+ for(i=100;i<200;i++)
+/**********Program**********/
+ if(i%4==2 && i%7==3 && i%9==5)
+
+
+
+
+/********** End **********/
+ printf ("%d",i);
+ }
+
diff --git a/2207/天天乐学答案/源码/C语言-1/7.c b/2207/天天乐学答案/源码/C语言-1/7.c
new file mode 100644
index 0000000..3fa0748
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/7.c
@@ -0,0 +1,23 @@
+/*-------------------------------------------------------
+��������ա�---------------------------------------------------------
+���ܣ������人��������շѵij��������3�������ں�3����ʱ�շ�12Ԫ������3�����0��1֮�����1����IJ���ÿ�����շ�2Ԫ��
+��ע��ʹ��switch��ʵ��
+--------------------------------------------------------*/
+#include<stdio.h>
+main(){
+ int m,n;
+ scanf("%d",&m);
+
+ /**********Program**********/
+ n=0;
+ switch(m){
+ default: n+=(m-3)*2;
+ case 1:
+ case 2:
+ case 3:n+=12;
+ }
+
+ /********** End **********/
+
+ printf("�����շ�Ϊ��%d",n);
+}
diff --git a/2207/天天乐学答案/源码/C语言-1/8.c b/2207/天天乐学答案/源码/C语言-1/8.c
new file mode 100644
index 0000000..3ea8e53
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/8.c
@@ -0,0 +1,22 @@
+/*-------------------------------------------------------
+���ܣ��Ӽ�������2��������ӣ�������𰸣������ȷ����ʾ"right"��������ʾ"error"��
+--------------------------------------------------------*/
+#include "stdio.h"
+main( )
+{
+ int a,b,c;
+ printf("please input a and b:\n");
+ scanf("%d,%d",&a , &b);
+ printf("please input the answer:\n");
+ scanf("%d",&c);
+/**********Program**********/
+ if(a+b==c)
+
+
+
+
+/********** End **********/
+ printf("right\n");
+ else
+ printf("error\n");
+}
diff --git a/2207/天天乐学答案/源码/C语言-1/9.c b/2207/天天乐学答案/源码/C语言-1/9.c
new file mode 100644
index 0000000..1471095
--- /dev/null
+++ b/2207/天天乐学答案/源码/C语言-1/9.c
@@ -0,0 +1,24 @@
+/*-------------------------------------------------------
+���ܣ����ܣ����������ε����߳����ж��ܷ������Σ����ܣ����ú���ʽ��
+ ��������ε����������������3λС����
+ l=(a+b+c)/2��s=sqrt(l*(l-a)*(l-b)*(l-c))
+--------------------------------------------------------*/
+#include <stdio.h>
+#include <math.h>
+main()
+{
+ float a,b,c,s,l;
+ scanf("%f,%f,%f",&a , &b , &c);
+ if(a+b<c||a+c<b||b+c<a)
+ printf("��3�����ݲ��ܹ���������\n");
+ else
+ {
+/**********Program**********/
+ l=(a+b+c)/2;
+ s=sqrt(l*(l-a)*(l-b)*(l-c));
+
+/********** End **********/
+ printf("�������ε����Ϊ%.3f\n",s);
+ }
+
+}