제출 #795409

#제출 시각아이디문제언어결과실행 시간메모리
795409Josia도시들 (IOI15_towns)C++17
25 / 100
13 ms484 KiB
#include "towns.h" #include <bits/stdc++.h> using namespace std; int hubDistance(int N, int sub) { int d1=0, v1 = 0; for (int i = 1; i<N; i++) { int d = getDistance(0, i); if (d>d1) { d1 = d; v1 = i; } } vector<int> dists1(N); int d2=0, v2=v1; for (int i = 0; i<N; i++) { int d = getDistance(v1, i); dists1[i] = d; if (d>d2) { d2 = d; v2 = i; } } vector<int> dists2(N); for (int i = 0; i<N; i++) { int d = getDistance(v2, i); dists2[i] = d; } int R = 1e9; for (int i = 0; i<N; i++) { int rem = (dists1[i]+dists2[i]-d2)/2; R = min(R, max(dists1[i]-rem, dists2[i]-rem)); } return R; }

컴파일 시 표준 에러 (stderr) 메시지

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:6:28: warning: unused parameter 'sub' [-Wunused-parameter]
    6 | int hubDistance(int N, int sub) {
      |                        ~~~~^~~
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