#include <iostream>
using namespace std;
int main()
{
int num = 50, wheels = 115, bike;
for (bike = 0; bike <= num; bike++)
{
if ((bike * 2 + (num - bike) * 3) == wheels)
break;
}
cout << "自行车辆数:"<<bike<<"\n三轮车辆数:"<<num-bike<<endl;
}
VS2017测试通过。答题不易,正确请采纳
本回答被网友采纳