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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7.     int n;
  8.     cin >> n;
  9.  
  10.     vector<pair<int, int>> contests(n);
  11.     for (int i = 0; i < n; ++i) {
  12.         cin >> contests[i].first >> contests[i].second;
  13.     }
  14.  
  15.     int lowerBound = -1000000000; 
  16.     int upperBound = 1000000000;  
  17.     int currentRating = 0;
  18.  
  19.     for (int i = 0; i < n; ++i) {
  20.         int change = contests[i].first;
  21.         int division = contests[i].second;
  22.  
  23.         if (division == 1) {
  24.             lowerBound = max(lowerBound, 1900);
  25.         } else {
  26.             upperBound = min(upperBound, 1899);
  27.         }
  28.  
  29.         if (lowerBound > upperBound) {
  30.             cout << "Impossible\n";
  31.             return 0;
  32.         }
  33.  
  34.         currentRating += change;
  35.     }
  36.  
  37.     if (upperBound > 100000000) {
  38.         cout << "Infinity\n";
  39.     } else {
  40.         cout << upperBound << "\n";
  41.     }
  42.  
  43.     return 0;
  44. }
  45.  
Success #stdin #stdout 0.01s 5284KB
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stdin
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stdout
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Impossible
https://ideone.com/5I404Y
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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