oj.uz

Submission #1091698

# Submission time Handle Problem Language Result Execution time Memory
1091698 2024-09-21T20:06:30 Z LucaLucaM Election (BOI18_election) C++17
28 / 100
 3000 ms 1872 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#include <cassert>
#warning That's not the baby, that's my baby

#define debug(x) #x << " = " << x << '\n'
using ll = long long;

const int INF = 1e9;

int main() {
  std::ios_base::sync_with_stdio(false);
  std::cin.tie(0);
  std::cout.tie(0);
  #ifdef LOCAL
freopen("input.txt", "r", stdin);
  #endif

  int n;
  std::cin >> n;
  
  std::string s;
  std::cin >> s;
  s = '$' + s;

  std::vector<int> pref(n + 1, 0);
  for (int i = 1; i <= n; i++) {
    if (s[i] == 'C') {
      pref[i] = pref[i - 1] + 1;
    } else {
      pref[i] = pref[i - 1] - 1;
    }
  }

  int q;
  std::cin >> q;
  while (q--) {
    int l, r;
    std::cin >> l >> r;
    int answer = INF;
    int mini = INF;
    for (int i = l - 1; i <= r; i++) {
      mini = std::min(mini, pref[i] - pref[l - 1]);
      answer = std::min(answer, pref[r] - pref[i] + mini);      
    }
    std::cout << -answer << '\n';
    
  }

  return 0;
}

Compilation message

election.cpp:5:2: warning: #warning That's not the baby, that's my baby [-Wcpp]
    5 | #warning That's not the baby, that's my baby
      |  ^~~~~~~

Subtask #1
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct

Subtask #2
0 / 54.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1183 ms 1872 KB Output is correct
7 Execution timed out 3032 ms 1872 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1183 ms 1872 KB Output is correct
7 Execution timed out 3032 ms 1872 KB Time limit exceeded
8 Halted 0 ms 0 KB -