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Submission #196865

# Submission time Handle Problem Language Result Execution time Memory
196865 2020-01-17T10:39:50 Z awlintqaa Dreaming (IOI13_dreaming) C++14
18 / 100
 1000 ms 12272 KB 
#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#include <bits/stdc++.h>
using namespace std;
#define sqr 340
#define mid (l+r)/2
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define ins insert
#define era erase
#define C continue
#define mem(dp,i) memset(dp,i,sizeof(dp))
#define mset multiset
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pi;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pi> vpi;
typedef vector<pll> vpll;
const ll mod=1000000007;//998244353;
const ll inf=1e18*4;
const ld pai=acos(-1);
#include "dreaming.h"
ll n,m,mx,id;
vpll v[100009];
vll ret;
ll done[100009];
void fill(ll node){
        done[node]=1;
        ret.pb(node);
        for(auto u:v[node]){
                if(done[u.fi])C;
                fill(u.fi);
        }
}
void MX(ll node,ll p,ll crnt){
        if(crnt>mx)mx=crnt,id=node;
        for(auto u:v[node]){
                if(u.fi==p)C;
                MX(u.fi,node,crnt+u.se);
        }
}
pi go(){
        pll ans={1e9,1e9};
        for(auto u:ret){
                mx=-1;
                MX(u,u,0);
                ans=min(ans,{mx,u});
        }
        return ans;
}
int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
        n=N,m=M;
        for(int i=0;i<m;i++){
                int a=A[i],b=B[i],c=T[i];
                v[a].pb({b,c});
                v[b].pb({a,c});
        }
        vpll all;
        for(int i=0;i<n;i++){
                if(done[i])C;
                ret.clear();
                fill(i);
                all.pb(go());
        }
        sort(all.begin(),all.end());
        reverse(all.begin(),all.end());
        for(int i=1;i<all.size();i++){
                ll a=all[0].se,b=all[i].se,c=L;
                v[a].pb({b,c});
                v[b].pb({a,c});
        }
        mx=id=-1;
        MX(0,0,0);
        mx=-1;
        MX(id,id,0);
        return mx;
}

Compilation message

dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:73:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i=1;i<all.size();i++){
                     ~^~~~~~~~~~~

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1022 ms 12272 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1022 ms 12272 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1022 ms 12272 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 9452 KB Output is correct
2 Correct 65 ms 9840 KB Output is correct
3 Correct 53 ms 9808 KB Output is correct
4 Correct 55 ms 9808 KB Output is correct
5 Correct 80 ms 9732 KB Output is correct
6 Correct 61 ms 11112 KB Output is correct
7 Correct 55 ms 10092 KB Output is correct
8 Correct 51 ms 9652 KB Output is correct
9 Correct 54 ms 9580 KB Output is correct
10 Correct 56 ms 9964 KB Output is correct
11 Correct 4 ms 2680 KB Output is correct
12 Correct 31 ms 9700 KB Output is correct
13 Correct 31 ms 9700 KB Output is correct
14 Correct 35 ms 9828 KB Output is correct
15 Correct 33 ms 9700 KB Output is correct
16 Correct 32 ms 9700 KB Output is correct
17 Correct 33 ms 9700 KB Output is correct
18 Correct 30 ms 9700 KB Output is correct
19 Correct 32 ms 9700 KB Output is correct
20 Correct 5 ms 2808 KB Output is correct
21 Correct 4 ms 2680 KB Output is correct
22 Correct 6 ms 2936 KB Output is correct
23 Correct 32 ms 9700 KB Output is correct

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1022 ms 12272 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1022 ms 12272 KB Time limit exceeded
2 Halted 0 ms 0 KB -