oj.uz

Submission #935438

# Submission time Handle Problem Language Result Execution time Memory
935438 2024-02-29T05:06:45 Z tamir1 Jakarta Skyscrapers (APIO15_skyscraper) C++14
0 / 100
 1 ms 1116 KB 
#include<bits/stdc++.h>
#define ll int
#define ff first
#define ss second
using namespace std;
ll n,m,i,j,dist[30005],b,p,x,y,R;
vector<ll> v[30005];
bitset<30005> vis;
set<pair<ll,ll>> q;
int main(){
	cin >> n >> m;
	for(i=0;i<m;i++){
		cin >> b >> p;
		v[b].push_back(p);
		if(i==0) q.insert({0,b});
		if(i==1) R=b;
	}
	while(!q.empty()){
		pair<ll,ll> z=*q.begin();
		x=z.ss;
		y=z.ff;
		q.erase(q.begin());
		for(ll i:v[x]){
			p=0;
			for(b=x+i;b<n;b+=i){
				p++;
				if(!vis[b]) q.insert({y+p,b});
				vis[b]=1;
				dist[b]=y+p;
			}
			p=0;
			for(b=x-i;b>=0;b-=i){
				p++;
				if(!vis[b]) q.insert({y+p,b});
				vis[b]=1;
				dist[b]=y+p;
			}
		}
	}
	if(vis[R]) cout << dist[R];
	else cout << -1;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Incorrect 1 ms 1116 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Incorrect 1 ms 1116 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Incorrect 1 ms 1116 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Incorrect 1 ms 1116 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1112 KB Output is correct
2 Incorrect 1 ms 944 KB Output isn't correct
3 Halted 0 ms 0 KB -