제출 #175350

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
175350	2020-01-07 06:23:32	onjo0127	Fireworks (APIO16_fireworks)	C++11	100 / 100	428 ms	86452 KiB

fireworks

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pil = pair<int, ll>;
ll zv[300009];
priority_queue<ll> pq[300009];
vector<pil> T[300009];
int sz[300009];
void dfs(int x) {
    sz[x] = 1;
    for(auto& it: T[x]) {
        dfs(it.first);
        sz[x] += sz[it.first];
    }
    sort(T[x].begin(), T[x].end(), [&](pil P, pil Q) { return sz[P.first] > sz[Q.first]; });
}
void go(int x, int p, ll pc) {
    if(T[x].empty()) return;
    int mxi = T[x][0].first;
    for(auto& it: T[x]) go(it.first, p, it.second);
    for(auto& it: T[x]) {
        if(it.first == mxi) continue;
        int t; ll c; tie(t, c) = it;
        while(pq[t].size()) {
            pq[mxi].push(pq[t].top());
            pq[t].pop();
        }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

fireworks.cpp: In function 'int main()':
fireworks.cpp:46:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     int N, M; scanf("%d%d",&N,&M);
               ~~~~~^~~~~~~~~~~~~~
fireworks.cpp:48:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         int p, c; scanf("%d%d",&p,&c);
                   ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 19 / 19
• Subtask 3: 29 / 29
• Subtask 4: 45 / 45