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Submission #229411

# Submission time Handle Problem Language Result Execution time Memory
229411 2020-05-04T12:11:34 Z kshitij_sodani Crocodile's Underground City (IOI11_crocodile) C++17
100 / 100
 703 ms 78936 KB 
#include <bits/stdc++.h>
#include <iostream>
using namespace std;
typedef int64_t llo;
#define mp make_pair
#define a first
#define b second
#define pb push_back
#include <crocodile.h>
llo ma=1000000001;
int travel_plan(int n,int m,int r[][2],int l[],int k,int p[]){
	llo vis[n];
	for(llo i=0;i<n;i++){
		vis[i]=0;
	}
	for(llo i=0;i<k;i++){
		vis[p[i]]=1;
	}
	vector<pair<llo,llo>> adj[n];
	for(llo i=0;i<m;i++){
		adj[r[i][0]].pb({r[i][1],(llo)l[i]});
		adj[r[i][1]].pb({r[i][0],(llo)l[i]});
	}
	llo dist[n];
	llo dist2[n];
	for(llo i=0;i<n;i++){
		dist[i]=ma;
		dist2[i]=ma;
	}
	priority_queue<pair<llo,llo>> ac;
	for(llo i=0;i<n;i++){
		if(vis[i]==1){
			dist[i]=0;
			dist2[i]=0;
			ac.push({0,i});
		}	
	}
	llo vis2[n];
	for(llo i=0;i<n;i++){
		vis2[i]=0;
	}
	while(ac.size()){
		pair<llo,llo> no=ac.top();
		ac.pop();
		no.a=-no.a;
		if(no.a>dist2[no.b]){
			continue;
		}
		for(auto j:adj[no.b]){
			llo co=dist2[no.b]+j.b;
			if(dist[j.a]>=co){
				llo acc=dist2[j.a];
				dist2[j.a]=dist[j.a];
				dist[j.a]=co;
				if(dist2[j.a]<acc and dist2[j.a]!=ma){
					ac.push({-dist2[j.a],j.a});
				}
			}
			else if(dist2[j.a]>co){
				dist2[j.a]=co;
				ac.push({-dist2[j.a],j.a});
			}
		}
	}
	return dist2[0];
}
/*int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	llo n,m,k;
	cin>>n>>m>>k;
	llo rr[m][2];
	llo l[m];
	llo pp[k];
	for(llo i=0;i<m;i++){
		cin>>rr[i][0]>>rr[i][1]>>l[i];
	}
	for(llo i=0;i<k;i++){
		cin>>pp[i];
	}
	cout<<travel_plan(n,m,rr,l,k,pp)<<endl;
	llo aa[7][2];
	llo bb[7];
	llo cc[2];
	cc[0]=1;cc[1]=3;
	bb[0]=4;bb[1]=3;bb[2]=2;bb[3]=10;bb[4]=100;
	bb[5]=7;bb[6]=9;
	aa[0][0]=0;aa[0][1]=2;
	aa[1][0]=0;aa[1][1]=3;
	aa[2][0]=3;aa[2][1]=2;
	aa[3][0]=2;aa[3][1]=1;
	aa[4][0]=0;aa[4][1]=1;
	aa[5][0]=0;aa[5][1]=4;
	aa[6][0]=3;aa[6][1]=4;
 
	llo aa[4][2];
	llo bb[4];
	llo cc[3];
	cc[0]=1;cc[1]=3;cc[2]=4;
	bb[0]=2;bb[1]=3;bb[2]=1;bb[3]=4;
	aa[0][0]=0;aa[0][1]=1;
	aa[1][0]=0;aa[1][1]=2;
	aa[2][0]=3;aa[2][1]=2;
	aa[3][0]=2;aa[3][1]=4;
	cout<<travel_plan(5,4,aa,bb,3,cc)<<endl;
 
	return 0;
}*/

Compilation message

crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:38:6: warning: variable 'vis2' set but not used [-Wunused-but-set-variable]
  llo vis2[n];
      ^~~~

Subtask #1
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct

Subtask #2
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 7 ms 768 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 9 ms 1152 KB Output is correct
13 Correct 8 ms 1152 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 512 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 7 ms 768 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 9 ms 1152 KB Output is correct
13 Correct 8 ms 1152 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 556 ms 70316 KB Output is correct
17 Correct 100 ms 19196 KB Output is correct
18 Correct 123 ms 21624 KB Output is correct
19 Correct 703 ms 78936 KB Output is correct
20 Correct 351 ms 56696 KB Output is correct
21 Correct 49 ms 8568 KB Output is correct
22 Correct 382 ms 53368 KB Output is correct