#include <stdafx.h>int zhouchang(int a,int b,int c){?if ((a + b )<= c || (a + c )<= b || (b + c )<= a)?{??printf("不能構(gòu)成三角形");??return 0;?}?else?{??int sum = a + b + c;?}}int main(){?int a, b, c;?a = 3;?b = 4;?c = 5;?printf("三角形周長(zhǎng)為%d", zhouchang(a,b,c));}
輸出結(jié)果為12，能說(shuō)說(shuō)為什么嗎？我把兩個(gè)return都刪了，為什么還可以輸出？return什么用？
慕粉18341035298
2016-07-03 23:23:27
