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Submission #363655

# Submission time Handle Problem Language Result Execution time Memory
363655 2021-02-06T18:13:26 Z David_M Crocodile's Underground City (IOI11_crocodile) C++14
100 / 100
 652 ms 72924 KB 
#include "crocodile.h"
#include<bits/stdc++.h>
#define F first
#define S second
#define ll long long
#define pll pair<ll, ll>
using namespace std;
const ll INF=1e18, N=100005;
ll d,x,o,i;
pll D[N];
vector<pll>v[N];
priority_queue<pll>q;
int travel_plan(int n,int m,int R[][2],int L[],int k,int p[]){
	for(i=0;i<m;i++)
		v[R[i][0]].push_back({R[i][1],L[i]}),
		v[R[i][1]].push_back({R[i][0],L[i]});
	
	for(i=0;i<n;i++)D[i]={INF,INF};
	for(i=0;i<k;i++)D[p[i]]={0,0},q.push({0,p[i]});
	
	while(!q.empty()){
		auto[d,x]=q.top();
		q.pop();
		if(-d>D[x].F)continue;
		for (auto[y,l]:v[x]){
			o=D[y].F;
			if(D[y].F>l-d)D[y].F=l-d;
			if(D[y].F<D[y].S)swap(D[y].F,D[y].S);
			if(D[y].F!=o)q.push({-D[y].F,y});
		}
	}
	return D[0].F;
}

Compilation message

crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:22:7: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   22 |   auto[d,x]=q.top();
      |       ^
crocodile.cpp:25:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   25 |   for (auto[y,l]:v[x]){
      |            ^

Subtask #1
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2668 KB Output is correct
2 Correct 2 ms 2668 KB Output is correct
3 Correct 2 ms 2668 KB Output is correct
4 Correct 3 ms 2796 KB Output is correct
5 Correct 3 ms 2796 KB Output is correct
6 Correct 2 ms 2796 KB Output is correct
7 Correct 2 ms 2796 KB Output is correct
8 Correct 2 ms 2796 KB Output is correct

Subtask #2
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2668 KB Output is correct
2 Correct 2 ms 2668 KB Output is correct
3 Correct 2 ms 2668 KB Output is correct
4 Correct 3 ms 2796 KB Output is correct
5 Correct 3 ms 2796 KB Output is correct
6 Correct 2 ms 2796 KB Output is correct
7 Correct 2 ms 2796 KB Output is correct
8 Correct 2 ms 2796 KB Output is correct
9 Correct 4 ms 3052 KB Output is correct
10 Correct 2 ms 2808 KB Output is correct
11 Correct 3 ms 2796 KB Output is correct
12 Correct 6 ms 3308 KB Output is correct
13 Correct 6 ms 3436 KB Output is correct
14 Correct 3 ms 2796 KB Output is correct
15 Correct 3 ms 2796 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2668 KB Output is correct
2 Correct 2 ms 2668 KB Output is correct
3 Correct 2 ms 2668 KB Output is correct
4 Correct 3 ms 2796 KB Output is correct
5 Correct 3 ms 2796 KB Output is correct
6 Correct 2 ms 2796 KB Output is correct
7 Correct 2 ms 2796 KB Output is correct
8 Correct 2 ms 2796 KB Output is correct
9 Correct 4 ms 3052 KB Output is correct
10 Correct 2 ms 2808 KB Output is correct
11 Correct 3 ms 2796 KB Output is correct
12 Correct 6 ms 3308 KB Output is correct
13 Correct 6 ms 3436 KB Output is correct
14 Correct 3 ms 2796 KB Output is correct
15 Correct 3 ms 2796 KB Output is correct
16 Correct 521 ms 67120 KB Output is correct
17 Correct 86 ms 14444 KB Output is correct
18 Correct 146 ms 16748 KB Output is correct
19 Correct 652 ms 72924 KB Output is correct
20 Correct 322 ms 55148 KB Output is correct
21 Correct 41 ms 8428 KB Output is correct
22 Correct 341 ms 50028 KB Output is correct