oj.uz

Submission #845130

# Submission time Handle Problem Language Result Execution time Memory
845130 2023-09-06T12:09:43 Z elotelo966 Cyberland (APIO23_cyberland) C++17
44 / 100
 707 ms 17736 KB 
#include <bits/stdc++.h>
using namespace std;
//#define int long long
//#define mid (start+end)/2
//#define OYY 10000
//#define faster ios_base::sync_with_stdio(false);cin.tie(NULL);
const long double OYY=1e112;

double solve(int N, int M, int K, int H, std::vector<int> x, std::vector<int>y, std::vector<int> c, std::vector<int> arr){
    int n=N;
    int m=M;
    int k=K;
    vector <vector<pair<long long int,long long int>>> v;
    v.assign(n,{});
    k=min(k,50);
    for(int i=0;i<m;i++){
        int a=x[i];
        int b=y[i];
        int co=c[i];
        v[a].push_back({b,co});
        v[b].push_back({a,co});
    }
    vector <long double> uza(n,OYY);
    uza[0]=0;
    for(int ip=0;ip<=k+2;ip++){
        set <pair<long double,int>> st;
        for(int i=0;i<n;i++){
            st.insert({uza[i],i});
        }
        while(!st.empty()){
            int node=st.begin()->second;
            st.erase(st.begin());
            if(node==H)continue;
            for(int i=0;i<v[node].size();i++){
                int go=v[node][i].first;
                int cost=v[node][i].second;
                if(uza[go]>uza[node]+cost){
                    st.erase({uza[go],go});
                    uza[go]=uza[node]+cost;
                    st.insert({uza[go],go});
                }
            }
        }
        auto ne=uza;
        for(int j=0;j<n;j++){
            if(uza[j]<OYY){
                if(arr[j]==0)ne[j]=0;
            }
            else if(arr[j]==2 && ip>1 && ip!=k+2){
                for(int i=0;i<v[j].size();i++){
                    int go=v[j][i].first;
                    int cost=v[j][i].second;
                    ne[go]=min(ne[go],uza[j]/2+(long double)cost);
                }
            }
        }
        uza=ne;
    }
    if(uza[H]<OYY){
        return uza[H];
    }
    return -1;
}

Compilation message

cyberland.cpp: In function 'double solve(int, int, int, int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
cyberland.cpp:34:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |             for(int i=0;i<v[node].size();i++){
      |                         ~^~~~~~~~~~~~~~~
cyberland.cpp:50:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |                 for(int i=0;i<v[j].size();i++){
      |                             ~^~~~~~~~~~~~

Subtask #1
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 63 ms 848 KB Wrong Answer.
2 Halted 0 ms 0 KB -

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 279 ms 1396 KB Correct.
2 Correct 335 ms 1632 KB Correct.
3 Correct 322 ms 1496 KB Correct.
4 Correct 399 ms 1680 KB Correct.
5 Correct 346 ms 1668 KB Correct.
6 Correct 390 ms 3244 KB Correct.
7 Correct 490 ms 3228 KB Correct.
8 Correct 227 ms 4840 KB Correct.
9 Correct 202 ms 1320 KB Correct.
10 Correct 208 ms 1644 KB Correct.

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 330 ms 1516 KB Correct.
2 Correct 327 ms 1408 KB Correct.
3 Correct 290 ms 1740 KB Correct.
4 Correct 204 ms 1464 KB Correct.
5 Correct 203 ms 1364 KB Correct.
6 Correct 65 ms 2208 KB Correct.

Subtask #4
0.0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 707 ms 11828 KB Wrong Answer.
2 Halted 0 ms 0 KB -

Subtask #5
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 268 ms 1276 KB Correct.
2 Correct 274 ms 1740 KB Correct.
3 Correct 273 ms 1684 KB Correct.
4 Correct 291 ms 2912 KB Correct.
5 Correct 192 ms 1360 KB Correct.

Subtask #6
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 280 ms 1560 KB Correct.
2 Correct 246 ms 1356 KB Correct.
3 Correct 688 ms 17736 KB Correct.
4 Correct 235 ms 2364 KB Correct.
5 Correct 220 ms 1372 KB Correct.
6 Correct 260 ms 1488 KB Correct.

Subtask #7
0.0 / 29.0

# Verdict Execution time Memory Grader output
1 Incorrect 255 ms 1364 KB Wrong Answer.
2 Halted 0 ms 0 KB -

Subtask #8
0.0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 400 ms 1508 KB Wrong Answer.
2 Halted 0 ms 0 KB -