oj.uz

Submission #787807

# Submission time Handle Problem Language Result Execution time Memory
787807 2023-07-19T12:54:20 Z vnm06 Towns (IOI15_towns) C++14
25 / 100
 13 ms 956 KB 
#include "towns.h"
#include<bits/stdc++.h>
using namespace std;

int st[150][150];

int pitaj(int i, int j)
{
    if(st[i][j]!=-1) return st[i][j];
    st[i][j]=getDistance(i, j);
    st[j][i]=st[i][j];
    return st[i][j];
}

int hubDistance(int N, int sub)
{
    int n=N;
    memset(st, -1, sizeof(st));
    for(int i=0; i<n; i++) st[i][i]=0;
    int v1=0;
    for(int i=1; i<n; i++)
    {
        if(pitaj(0, i)>pitaj(0, v1)) v1=i;
    }
    int v2=0;
    for(int i=0; i<n; i++)
    {
        if(pitaj(v1, i)>pitaj(v1, v2)) v2=i;
    }
    int R=1e9;
    for(int i=0; i<n; i++)
    {
        if(i==v1 || i==v2) continue;
        int t1=pitaj(i, v1);
        int t2=pitaj(i, v2);
        int t3=pitaj(v1, v2);
        int r1=(t1+t3-t2)/2, r2=(t2+t3-t1)/2;
        if(max(r1, r2)<R) R=max(r1, r2);
    }
	return R;
}

Compilation message

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:15:28: warning: unused parameter 'sub' [-Wunused-parameter]
   15 | int hubDistance(int N, int sub)
      |                        ~~~~^~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 876 KB Output is correct
2 Correct 9 ms 896 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 12 ms 956 KB Output is correct
5 Correct 12 ms 928 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 652 KB Output is correct
2 Correct 8 ms 780 KB Output is correct
3 Correct 12 ms 948 KB Output is correct
4 Correct 13 ms 852 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 724 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 11 ms 724 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 10 ms 536 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 39.0

# Verdict Execution time Memory Grader output
1 Incorrect 9 ms 540 KB Output isn't correct
2 Halted 0 ms 0 KB -