oj.uz

Submission #586456

# Submission time Handle Problem Language Result Execution time Memory
586456 2022-06-30T09:40:51 Z krit3379 City Mapping (NOI18_citymapping) C++17
32 / 100
 44 ms 8280 KB 
#include<bits/stdc++.h>
#include "citymapping.h"
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#define N 1005

long long dis[N][N],dis1[N],ma,id,last,last_node;
vector<pair<long long,long long>> v;

void find_roads(int n,int q,int a[], int b[],int w[]){
    int i,j;
    if(q==500000){
        for(i=1;i<=n;i++)for(j=i+1;j<=n;j++)dis[i][j]=dis[j][i]=get_distance(i,j);

    }
    else if(q==12000){
        for(i=2;i<=n;i++)dis1[i]=get_distance(1,i);
        for(i=1;i<=n;i++)if(dis1[i]>ma)ma=dis1[i],id=i;
        for(i=1;i<=n;i++)if(i!=id)v.push_back({get_distance(id,i),i});
        sort(v.begin(),v.end());
        last=0;
        last_node=id;
        for(i=0;i<v.size();i++){
            a[i]=last_node;
            b[i]=v[i].second;
            w[i]=v[i].first-last;
            last=v[i].first;
            last_node=v[i].second;
        }
    }
}

Compilation message

citymapping.cpp: In function 'void find_roads(int, int, int*, int*, int*)':
citymapping.cpp:24:18: 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]
   24 |         for(i=0;i<v.size();i++){
      |                 ~^~~~~~~~~

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 44 ms 8280 KB Reported list of edges differ from actual.
2 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 44 ms 8280 KB Reported list of edges differ from actual.
2 Halted 0 ms 0 KB -

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Correct: 1980 out of 12000 queries used.
2 Correct 1 ms 468 KB Correct: 1984 out of 12000 queries used.
3 Correct 1 ms 468 KB Correct: 1998 out of 12000 queries used.
4 Correct 2 ms 472 KB Correct: 1984 out of 12000 queries used.
5 Correct 1 ms 468 KB Correct: 1980 out of 12000 queries used.

Subtask #4
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Correct: 1980 out of 12000 queries used.
2 Correct 1 ms 468 KB Correct: 1984 out of 12000 queries used.
3 Correct 1 ms 468 KB Correct: 1998 out of 12000 queries used.
4 Correct 2 ms 472 KB Correct: 1984 out of 12000 queries used.
5 Correct 1 ms 468 KB Correct: 1980 out of 12000 queries used.
6 Correct 2 ms 468 KB Correct: 1994 out of 12000 queries used.
7 Correct 2 ms 528 KB Correct: 1990 out of 12000 queries used.
8 Correct 1 ms 468 KB Correct: 1998 out of 12000 queries used.
9 Correct 1 ms 472 KB Correct: 1992 out of 12000 queries used.
10 Correct 1 ms 468 KB Correct: 1986 out of 12000 queries used.

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Incorrect 44 ms 8280 KB Reported list of edges differ from actual.
2 Halted 0 ms 0 KB -