oj.uz

Submission #782857

# Submission time Handle Problem Language Result Execution time Memory
782857 2023-07-14T10:28:46 Z vjudge1 Cyberland (APIO23_cyberland) C++17
44 / 100
 628 ms 15868 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=1e100;

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,70);
    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.emplace(uza[i],i);
        }
        while(st.size()){
            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/10){
                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/10){
        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 62 ms 416 KB Wrong Answer.
2 Halted 0 ms 0 KB -

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 254 ms 500 KB Correct.
2 Correct 315 ms 588 KB Correct.
3 Correct 290 ms 480 KB Correct.
4 Correct 308 ms 516 KB Correct.
5 Correct 301 ms 492 KB Correct.
6 Correct 343 ms 2240 KB Correct.
7 Correct 443 ms 2308 KB Correct.
8 Correct 212 ms 4228 KB Correct.
9 Correct 178 ms 392 KB Correct.
10 Correct 172 ms 340 KB Correct.

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 288 ms 472 KB Correct.
2 Correct 281 ms 480 KB Correct.
3 Correct 257 ms 460 KB Correct.
4 Correct 191 ms 400 KB Correct.
5 Correct 185 ms 404 KB Correct.
6 Correct 63 ms 1928 KB Correct.

Subtask #4
0.0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 628 ms 11716 KB Wrong Answer.
2 Halted 0 ms 0 KB -

Subtask #5
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 242 ms 552 KB Correct.
2 Correct 245 ms 492 KB Correct.
3 Correct 257 ms 652 KB Correct.
4 Correct 259 ms 2220 KB Correct.
5 Correct 170 ms 388 KB Correct.

Subtask #6
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 256 ms 636 KB Correct.
2 Correct 209 ms 516 KB Correct.
3 Correct 579 ms 15868 KB Correct.
4 Correct 205 ms 1600 KB Correct.
5 Correct 179 ms 340 KB Correct.
6 Correct 232 ms 616 KB Correct.

Subtask #7
0.0 / 29.0

# Verdict Execution time Memory Grader output
1 Incorrect 259 ms 440 KB Wrong Answer.
2 Halted 0 ms 0 KB -

Subtask #8
0.0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 501 ms 560 KB Wrong Answer.
2 Halted 0 ms 0 KB -