제출 #207273

#제출 시각아이디문제언어결과실행 시간메모리
207273AQT도시들 (IOI15_towns)C++14
0 / 100
28 ms1144 KiB
#include <towns.h>
#include <bits/stdc++.h>

using namespace std;

int dist[200][200];

int centDistance(int i, int j, int k){
    return (dist[i][j] + dist[i][k] - dist[j][k])/2;
}

int hubDistance(int N, int sub){
    int d1 = 0, d2 = 0;
    for(int i = 1; i<N; i++){
        dist[0][i] = getDistance(0, i);
        if(dist[0][i] > dist[0][d1]){
            d1 = i;
        }
    }
    for(int i = 0; i<N; i++){
        dist[d1][i] = getDistance(d1, i);
        if(dist[d1][i] > dist[d1][d2]){
            d2 = i;
        }
    }
    int dia = dist[d1][d2];
    int ans = 0;
    for(int i = 0; i<N; i++){
        int k = centDistance(i, 0, d1);
        if(abs(ans-dia/2) > abs(k-dia/2)){
            ans = k;
        }
    }
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:12:28: warning: unused parameter 'sub' [-Wunused-parameter]
 int hubDistance(int N, int sub){
                            ^~~
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