我是波霸鸡
//
// main.m
// for-while
//
// created by fansunion on 15/11/29.
// copyright (c) 2015年 demo. all rights reserved.
//
#import
int main(int argc, const char * argv[]) {
@autoreleasepool {
//for循环
int number = 10;
int sum =0;
//int n = 0; 也可以在上面定义int变量n
for(int n=1;n<=number;n++){
sum += n;
}
nslog(@"the sum is %i",sum);
//while循环
int n2 = 1;
int sum2 = 0;
while(n2 <= 10){
sum2 += n2;
n2++;
}
nslog(@"the sum2 is %i",sum2);
//do-while循环
int n3=1;
int sum3=0;
do{
sum3 += n3;
n3++;
}while(n3<=10);
nslog(@"the sum3 is %i",sum3);
}
return 0;
}
程序输出
2015-11-29 14:25:08.975 for-while[2983:192052] the sum is 55
2015-11-29 14:25:08.977 for-while[2983:192052] the sum2 is 55
2015-11-29 14:25:08.978 for-while[2983:192052] the sum3 is 55
program ended with exit code: 0
