oj.uz

답안 #374189

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
374189 2021-03-06T20:57:50 Z Iwanttobreakfree Jakarta Skyscrapers (APIO15_skyscraper) C++17
0 / 100
 1000 ms 262148 KB 
#include <iostream>
#include <vector>
#include <queue>
using namespace std;
int main(){
	cin.tie(NULL);
	ios::sync_with_stdio(false);
	int N,M,pos,S,buscar;
	cin>>N>>M;
	vector<pair<int,int> > doge(M);
	vector<int> distancia(N,1e9);
	for(int i=0;i<M;i++){
		cin>>pos>>S;
		if(i==1)buscar=pos;
		doge[i]=make_pair(pos,S);
	}
	queue <pair<pair<int,int>,int> > q;
	q.push(make_pair(make_pair(doge[0].first,doge[0].second),0));
	distancia[0]=0;
	while(!q.empty()){
		int p=q.front().first.first;
		int mov=q.front().first.second;
		int jump=q.front().second;
		q.pop();
		int po=p;
		int mo=mov;
		int jum=jump;
	while(p){
			if(distancia[p]>=jump){
				distancia[p]=jump;
				for(int i=0;i<M;i++)if(doge[i].first==p&&p!=buscar)q.push(make_pair(doge[i],jump));
			}
			p-=mov;
			jump++;
		}
	while(po<N){
		if(distancia[po]>=jum){
				distancia[po]=jum;
				for(int i=0;i<M;i++)if(doge[i].first==po&&po!=buscar)q.push(make_pair(doge[i],jum));
			}
		jum++;
		po+=mo;
	}
}
if(distancia[buscar]==1e9)cout<<-1;
else cout<<distancia[buscar];
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:45:20: warning: 'buscar' may be used uninitialized in this function [-Wmaybe-uninitialized]
   45 | if(distancia[buscar]==1e9)cout<<-1;
      |                    ^

Subtask #1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1014 ms 262148 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1073 ms 262148 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1002 ms 262148 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1008 ms 262148 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1006 ms 262148 KB Time limit exceeded
2 Halted 0 ms 0 KB -