提交记录 #25598

编号	题目	状态	分数	总时间	内存	代码 / 答案文件	提交者	提交时间
#25598	#1139. ddd和鸽子	Compile Error	0	0 ms	0 K	C / 356 B	经济99-刘雨泽	2020-05-28 19:09:26

显示原始代码

#include <stdio.h>
int main() {
    int a, b;
    float hour, min, tangle;
    scanf_s("%d:%d", &a, &b);
    if (a >= 12)
        a -= 12;
    hour = a * 30 + b * 0.5;
    min = b * 6;
    if (min > hour)
        tangle = min - hour;
    else
        tangle = hour - min;
    if (tangle > 180)
        tangle -= 180;
    tangle = 180 - tangle;  //没搞懂
    printf("%.1f", tangle);
    return 0;
}

编译信息

/sandbox/1/a.c:6:2: warning: implicit declaration of function 'scanf_s' is invalid in C99 [-Wimplicit-function-declaration]
        scanf_s("%d:%d", &a, &b);
        ^
1 warning generated.
/tmp/a-3d3087.o: In function `main':
a.c:(.text+0xf): undefined reference to `scanf_s'
clang: error: linker command failed with exit code 1 (use -v to see invocation)