25 lines
523 B
C
25 lines
523 B
C
#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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/***********************************************************************
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* @brief 使用time函数实现计时功能
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* @param argc
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* @param argv
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* @return int
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***********************************************************************/
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int main(int argc, char **argv)
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{
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time_t end;
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long long count = 0;
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end = time(NULL) + 5;
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while (time(NULL) <= end)
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count++;
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printf("%lld\n", count);
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exit(0);
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} |