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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int main(){
  4.   ios_base::sync_with_stdio(false);
  5.   cin.tie(NULL);
  6.   int a,b,x,y;
  7.   int contador = 0;
  8.   cin >> a >> b >> x >> y;
  9.   int camino_largo = max(x,y);
  10.   int camino_corto = min(x,y);
  11.   for(a; a <= b;a++){
  12.     if((camino_largo < a) and (camino_corto < a)){
  13.       contador++;
  14.     }
  15.   }
  16.   int cont = 0;
  17.   for(int i=0; i <= contador; i++){
  18.     cont = cont + i;
  19.   }
  20.   cout << cont << "\n";
  21. }
Success #stdin #stdout 0s 5324KB
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stdin
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3 10 8 2
stdout
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3
https://ideone.com/7tefJJ
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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