제출 #391197

#제출 시각아이디문제언어결과실행 시간메모리
391197palilo새로운 문제 (POI13_usu)C++17
100 / 100
178 ms42892 KiB
#include <bits/stdc++.h> using namespace std; struct elem { int id, bsum, csum; elem(int id, int bsum, int csum) : id(id), bsum(bsum), csum(csum) {} }; int main() { cin.tie(nullptr)->sync_with_stdio(false); #ifdef home freopen("in", "r", stdin); freopen("out", "w", stdout); #endif int n, k; string s; cin >> n >> k >> s; vector<elem> stk; stk.emplace_back(-1, 0, 0); vector<vector<int>> ans; ans.reserve(n / (k + 1)); for (int i = 0; i < n; ++i) { stk.emplace_back(i, stk.back().bsum + (s[i] == 'b'), stk.back().csum + (s[i] == 'c')); if (stk.size() > k + 1 && stk.back().bsum - stk.end()[-k - 2].bsum == k && stk.back().csum - stk.end()[-k - 2].csum == 1) { vector<int> vt(k + 1); for (int i = 0; i < k + 1; ++i) vt[i] = stk.end()[i - k - 1].id + 1; stk.erase(stk.end() - k - 1, stk.end()); ans.emplace_back(vt); } } reverse(ans.begin(), ans.end()); for (const auto& vt : ans) { for (const auto& x : vt) cout << x << ' '; cout << '\n'; } }

컴파일 시 표준 에러 (stderr) 메시지

usu.cpp: In function 'int main()':
usu.cpp:27:24: warning: comparison of integer expressions of different signedness: 'std::vector<elem>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   27 |         if (stk.size() > k + 1 &&
      |             ~~~~~~~~~~~^~~~~~~
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