Submission #1091677

#TimeUsernameProblemLanguageResultExecution timeMemory
1091677LucaLucaMElection (BOI18_election)C++17
28 / 100
3026 ms1356 KiB
#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 = 0; std::string q = s; int sum = 0; for (int i = l; i <= r; i++) { if (s[i] == 'C') { sum++; } else { if (sum == 0) { answer++; q[i] = '-'; } else { sum--; } } } sum = 0; for (int i = r; i >= l; i--) { if (q[i] == 'C') { sum++; } else if (q[i] == 'T') { // std::cout << debug(i) << debug(sum); if (sum == 0) { answer++; } else { sum--; } } } std::cout << answer << '\n'; } return 0; }

Compilation message (stderr)

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
      |  ^~~~~~~
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