제출 #32224

#제출 시각아이디문제언어결과실행 시간메모리
32224dqhungdlFireworks (APIO16_fireworks)C++14
7 / 100
3 ms9048 KiB
#include <bits/stdc++.h> using namespace std; typedef pair<int,int> ii; int n,m; vector<ii> g[300005]; bool cmp(ii x1,ii x2) { return x1.second<x2.second; } void Sub1() { sort(g[1].begin(),g[1].end(),cmp); int tmp=g[1][int(g[1].size())/2].second; int64_t res=0; for(int i=0;i<g[1].size();i++) res+=abs(g[1][i].second-tmp); cout<<res; } int main() { cin>>n>>m; int u,w; for(int i=2;i<=n+m;i++) { cin>>u>>w; g[u].push_back(ii(i,w)); } if(n==1) Sub1(); }

컴파일 시 표준 에러 (stderr) 메시지

fireworks.cpp: In function 'void Sub1()':
fireworks.cpp:18:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<g[1].size();i++)
                  ^
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