oj.uz

답안 #718993

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
718993 2023-04-05T08:16:49 Z Karuk 도시들 (IOI15_towns) C++14
25 / 100
 19 ms 888 KB 
#include "towns.h"
#include<bits/stdc++.h>
using namespace std;
map<pair<int,int>,int>m;
int getmindist(int d1,int d2,int d3) {
    int dd=(d1+d2-d3)/2;
    int d=(d1+d3-d2)/2;
    int ddd=(d2+d3-d1)/2;
    return max(max(d,dd),ddd);
}
int hubDistance(int n,int sub) {
    int maxd=0,maxind=0;
    int md=0;
    for(int i=1;i<n;i++) {
        int p=getDistance(0,i);
        m[{0,i}]=m[{i,0}]=p;
        if(maxd<p) {
            maxd=p;
            maxind=i;
        }
    }
    md=maxind;
    maxd=0;
    maxind=0;
    for(int i=0;i<n;i++) {
        if(i==md)continue;
        int p=getDistance(md,i);
        m[{md,i}]=m[{i,md}]=p;
        if(maxd<p) {
            maxd=p;
            maxind=i;
        }
    }
    int minr=INT_MAX;
    for(int i=0;i<n;i++) {
        if(i==md || i==maxind)continue;
        minr=min(minr,getmindist(maxd,m[{i,md}],getDistance(i,maxind)));
    }
    return minr;
}

Compilation message

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:11:27: warning: unused parameter 'sub' [-Wunused-parameter]
   11 | int hubDistance(int n,int sub) {
      |                       ~~~~^~~

Subtask #1
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 468 KB Output is correct
2 Correct 11 ms 468 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 13 ms 372 KB Output is correct
5 Correct 16 ms 372 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 19 ms 432 KB Output is correct
2 Correct 11 ms 888 KB Output is correct
3 Correct 14 ms 852 KB Output is correct
4 Correct 13 ms 872 KB Output is correct

Subtask #3
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 11 ms 468 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 19 ms 512 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 9 ms 468 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 39.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 10 ms 468 KB Output isn't correct
2 Halted 0 ms 0 KB -