제출 #206747

#제출 시각아이디문제언어결과실행 시간메모리
206747pavementStove (JOI18_stove)C++17
100 / 100
32 ms5500 KiB
#include <bits/stdc++.h> using namespace std; #define int long long int N, K, C, T[100005]; vector<pair<int, int> > V; vector<int> Y; main() { ios::sync_with_stdio(0); cin.tie(0); cin >> N >> K; for (int i = 1; i <= N; i++) { cin >> T[i]; if (i != 1 && T[i - 1] + 1 == T[i]) { auto ii = V.back(); V.pop_back(); V.emplace_back(ii.first, T[i] + 1); } else V.emplace_back(T[i], T[i] + 1); } for (auto i : V) C += i.second - i.first; for (int i = 0; i < V.size() - 1; i++) Y.push_back(V[i + 1].first - V[i].second); sort(Y.begin(), Y.end()); for (int i = 1; i <= max((int)V.size() - K, 0ll); i++) C += Y[i - 1]; cout << C << '\n'; }

컴파일 시 표준 에러 (stderr) 메시지

stove.cpp:9:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^
stove.cpp: In function 'int main()':
stove.cpp:23:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < V.size() - 1; i++)
                  ~~^~~~~~~~~~~~~~
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