怎么输出a的最大值？

Question

怎么输出最大的a

#include<iostream>
#include <algorithm>
using namespace std;
int main()
{
    int a = 0;
    for (a = 1; a < 100; a++)
        if (a % 13 == 0)
            cout << a << endl;
}

Answer 1

#include<iostream>
#include <algorithm>
using namespace std;
int main()
{
    int a = 0;
    int ans;
    for (a = 1; a < 100; a++)
        if (a % 13 == 0)
            ans = a;
    cout << ans;
}