PAT (Basic Level) Practice (中文) 1026 程序运行时间

#include<stdio.h>
#include<math.h>
using namespace std;
int main(){
    int c1,c2,h,m,s;
    int c;
    scanf("%d %d",&c1,&c2);
    c = (c2-c1);
    h = c / (3600*100);
    m = c/ (60*100);
    m -= h * 60;
    s = round((c/100.0 - h * 3600 - m * 60)) ;
    printf("%02d:%02d:%02d\n",h,m,s);
    return 0;
}
View Code
#include<stdio.h>
#include<math.h>
using namespace std;
int main(){
    int c1,c2,h,m;
    double s;
    int c;
    scanf("%d %d",&c1,&c2);
    c = (c2-c1);
    h = c / (3600*100);
    m = c/ (60*100);
    m -= h * 60;
    s = (c/100.0 - h * 3600 - m * 60);
    printf("%02d:%02d:%02.0f\n",h,m,s);
    return 0;
}
View Code

发现vs2010中没有round函数,但是这个题目需要四舍五入。

转换为时间的数字不是整数,而是浮点数。

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转载自www.cnblogs.com/Learn-Excel/p/12727290.html
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