제출 #441698

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
441698	2021-07-05 20:34:23	julian33	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	129 ms	7720 KiB

skyscraper

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const int mxN=3e4;
int n,m,p,b,dist[mxN],seen[mxN];
set<int> jump[mxN];
int main(){
    cin.sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    #ifdef LOCAL
        freopen("input.txt","r",stdin);
        freopen("output.txt","w",stdout);
    #endif
    cin>>n>>m;
    for(int i=0;i<n;i++)
        dist[i]=1e9;
    int s,e;
    for(int i=0;i<m;i++){
        cin>>b>>p;
        if(i==0)
            s=b;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:36:27: warning: 's' may be used uninitialized in this function [-Wmaybe-uninitialized]
   36 |     q.push({0,s}); dist[s]=0;
      |                    ~~~~~~~^~
skyscraper.cpp:68:18: warning: 'e' may be used uninitialized in this function [-Wmaybe-uninitialized]
   68 |     cout<<(dist[e]==1e9?-1:dist[e])<<"\n";
      |            ~~~~~~^

• Subtask 1: 10 / 10
• Subtask 2: 12 / 12
• Subtask 3: 14 / 14
• Subtask 4: 21 / 21
• Subtask 5: 43 / 43