随机时间.排序,分出时 分 秒

    srand((unsigned)time(NULL));std::vector<int> hour;//时
std::vector<int> minute;//分
std::vector<int> second;//秒
std::vector<int> vSecond;//总秒数int n = 5000;//随机个数for (int i = 0; i < n; i++)  {   int _second = rand() % 18000;  vSecond.push_back(_second);}for(int i =0 ; i< n-1; ++i) {   for(int j = 0; j < n-i-1; ++j){if(vSecond[j] < vSecond[j+1])    {int tmp = vSecond[j] ;    vSecond[j] = vSecond[j+1] ;     vSecond[j+1] = tmp;     }    }   }for (int i = 0; i < n; i++){   hour.push_back(vSecond[i] / 3600);minute.push_back(vSecond[i] / 60 % 60);  second.push_back(vSecond[i]  % 60);  }  FILE *f;f = fopen("Time.csv" , "wb");for (int i =0; i< n; i++)  {   fprintf(f,"%d, %d, %d\n", hour[i], minute[i], second[i]);}fclose(f);