总结:题目所给数据范围可以用long long 存数据,但是加法减法可能会溢出,这段代码是随便写的居然过了哈哈哈哈
代码:
#include<iostream>
#include<cmath>
using namespace std;
int main()
{
long long a, b, c;
int m;
cin >> m;
for (int i = 0; i < m; i++)
{
cin >> a >> b >> c;
if ((a >= c&&b>0) || (b >= c&&a>0))cout << "Case #" << i + 1 << ": true" << endl;
else if (a >c-b&&b>c-a)cout << "Case #" << i + 1 << ": true" << endl;
else cout << "Case #" << i + 1 << ": false" << endl;
}
return 0;
}