제출 #1106322

#제출 시각아이디문제언어결과실행 시간메모리
1106322Zero_OP코끼리 (Dancing Elephants) (IOI11_elephants)C++14
26 / 100
9064 ms12880 KiB
#include <bits/stdc++.h> #ifndef LOCAL #include "elephants.h" #endif // LOCAL using namespace std; int n, l; vector<int> x; map<int, int> cnt; void init(int N, int L, int X[]){ n = N; l = L; x.resize(N); for(int i = 0; i < N; ++i) x[i] = X[i]; for(int i = 0; i < N; ++i){ ++cnt[X[i]]; } } int greedy(){ int last = -1, ans = 0; for(auto [x, y] : cnt){ if(!y) assert(false); if(last < x) ++ans, last = x + l; } return ans; } int update(int i, int y){ if(!(--cnt[x[i]])) cnt.erase(cnt.find(x[i])); x[i] = y; ++cnt[x[i]]; return greedy(); } #ifdef LOCAL int main(){ ios_base::sync_with_stdio(0); cin.tie(0); int X[4] = {10, 15, 17, 20}; init(4, 10, X); cout << update(2, 16) << '\n'; cout << update(1, 25) << '\n'; cout << update(3, 35) << '\n'; cout << update(0, 38) << '\n'; cout << update(2, 0) << '\n'; return 0; } #endif // LOCAL

컴파일 시 표준 에러 (stderr) 메시지

elephants.cpp: In function 'int greedy()':
elephants.cpp:26:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   26 |     for(auto [x, y] : cnt){
      |              ^
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