제출 #832652

#제출 시각아이디문제언어결과실행 시간메모리
832652aymanrs도시들 (IOI15_towns)C++14
25 / 100
15 ms892 KiB
#include "towns.h" #include <bits/stdc++.h> using namespace std; int hubDistance(int N, int sub) { int md = 0, wi = 1, wii; for(int i = 1;i < N;i++){ int c = getDistance(0, i); if(c > md){ md = c; wi = i; } } int d[N]; md = 0; wii = 0; for(int i = 0;i < N;i++){ if(i == wi) continue; d[i] = getDistance(wi, i); if(d[i] > md){ md = d[i]; wii = i; } } for(int i = 0;i < N;i++){ if(i == wi || i == wii) continue; int dwii = getDistance(i, wii); int dlca = (d[i]+dwii-d[wii])/2; md = min(md, max(d[i]-dlca, dwii-dlca)); } return md; }

컴파일 시 표준 에러 (stderr) 메시지

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:4:28: warning: unused parameter 'sub' [-Wunused-parameter]
    4 | int hubDistance(int N, int sub) {
      |                        ~~~~^~~
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