Competitive-Programming/01Matrix.cpp at master · KevinMathewT/Competitive-Programming · GitHub

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#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

typedef double ld;

// Kevin Mathew T

// Birla Institute of Technology, Mesra

// GitHub - https://github.com/KevinMathewT

// CodeForces - https://codeforces.com/profile/KevinMathew

// CodeChef - https://www.codechef.com/users/KevinMathew

// HackerRank - https://www.hackerrank.com/KevinMathew?

ll h, w, a, b;

void ret(){

cout << "-1\n";

exit(0);

}

void solve(){

cin >> h >> w >> a >> b;

if(a > w || b > h)

ret();

if(h == 1 || w == 1){

if(h == 1 && w == 1){

if(a > 1 || b > 1)

ret();

cout << 0 << "\n";

return;

}

if(h == 1){

if(a > ((ll)(w / 2)))

ret();

for(ll i=0;i<w;i++)

if(i < a)

cout << 1 << "\n";

else

cout << 0 << "\n";

}

if(w == 1){

if(b > ((ll)(h / 2)))

ret();

for(ll i=0;i<h;i++)

if(i < b)

cout << 1 << "\n";

else

cout << 0 << "\n";

}

int main()

{

freopen("input.txt", "r", stdin); //Comment

freopen("output.txt", "w", stdout); //this out.

ios::sync_with_stdio(false); //Not

cin.tie(NULL); //this.

cout.tie(0); //or this.

solve();

return 0;

}

Competitive-Programming/01Matrix.cpp at master · KevinMathewT/Competitive-Programming · GitHub

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