#include <stdio.h>
#include <stdlib.h>int main()
{int i = 0;while(i<=10){printf("第%d遍\n",i);i++;}return 0;
}

#include <stdio.h>
#include <stdlib.h>int main()
{int i = 1;int sum = 0;while(i<=100){sum += i;i++;}printf("%d\n",sum);return 0;
}

#include <stdio.h>
#include <stdlib.h>int main()
{int i = 0;  //循环变量int password;   //密码while(i<3){printf("请输入密码：");scanf("%d",&password);if(password!=123456){printf("密码输入错误，当前输入第%d次密码！\n",i+1);}else if(password==123456){printf("密码输入成功！\n");break;}if(i==2){printf("密码输错三次，系统强制退出！\n");exit(0);}i++;}return 0;
}

#include <stdio.h>
#include <stdlib.h>int main()
{double initSum = 800;  //2015年的交易额double increase = 0.25;   //递增率int initYear = 2015; //初始年份while(1){initSum *= 1.25;if(initSum>=2500){printf("第%d年交易额达到2000亿，此年交易额为%lf\n",initYear+1,initSum);break;}initYear++;}return 0;
}

#include <stdio.h>
#include <stdlib.h> //标准库
#include <time.h>   //time方法
#include <windows.h>    //Sleep
int main()
{srand(time(NULL));//rand()函数的取值范围是0-32767printf("随机种子：%d\n",rand());int hp1 = 100,hp2=100; //1p和2p的初始血量int att1,att2;//1p和2p每次的攻击int i = 0;//对战的轮数while(hp1>=0 && hp2>=0)//当两个玩家都活着的时候，才能进行对战
    {//默认1p首先攻击att1 = rand() % 11+5;att2 = rand() % 11+5;//玩家1攻击，玩家2掉血hp2 -= att1;//玩家2攻击，玩家1掉血hp1 -= att2;if(hp1<=0 && hp2>=0){printf("玩家2胜利\n");break;}else if(hp1>=0 && hp2<=0){printf("玩家1胜利\n");break;}printf("************************************\n");printf("第%d轮：\n",i);printf("玩家1攻击力：%d,玩家2剩余血量：%d\n",att1,hp2);printf("玩家2攻击力：%d,玩家1剩余血量：%d\n",att2,hp1);printf("************************************\n");i++;Sleep(500);//休眠500ms
    }printf("游戏结束，玩家1的血量：%d\t玩家2的血量：%d\n",hp1,hp2);return 0;
}