Submission #3768870

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define REP(i, t) for(int i = 0; i < t; i++)

int main()
{
    int A, B, C, D;
    cin >> A >> B >> C >> D;
    bool pressing[2][110] = {0};
    fill(&pressing[0][A], &pressing[0][B], 1);
    fill(&pressing[1][C], &pressing[1][D], 1);
    int ans = 0;
    REP(i, 110) if(pressing[0][i] && pressing[1][i]) ans++;
    cout << ans << endl;

    return 0;
}

Submission Info

Judge Result