제출 #448346

#제출 시각아이디문제언어결과실행 시간메모리
448346JovanBXylophone (JOI18_xylophone)C++17
100 / 100
140 ms472 KiB
#include "xylophone.h" #include <bits/stdc++.h> #pragma GCC optimize("Ofast") using namespace std; static int A[5000]; int dva[5005]; int tri[5005]; int res[5005]; int nadji(int a, int b, int c){ return max(abs(a-c), max(abs(a-b), abs(b-c))); } void solve(int N) { if(N == 1){ answer(1, 1); return; } for(int i=1; i<N; i++){ dva[i] = query(i, i+1); } for(int i=1; i<N-1; i++){ tri[i] = query(i, i+2); } res[2] = dva[1]; for(int i=3; i<=N; i++){ if(nadji(res[i-2], res[i-1], dva[i-1] + res[i-1]) == tri[i-2]) res[i] = dva[i-1] + res[i-1]; else res[i] = res[i-1] - dva[i-1]; } int mn = 0; for(int i=1; i<=N; i++){ mn = min(mn, res[i]); } for(int i=1; i<=N; i++){ res[i] += 1-mn; } int b1 = 0, bn = 0; for(int i=1; i<=N; i++){ if(res[i] == 1) b1 = i; else if(res[i] == N) bn = i; } if(b1 > bn){ for(int i=1; i<=N; i++) res[i] = N-res[i]+1; } for(int i=1; i<=N; i++){ answer(i, res[i]); } }

컴파일 시 표준 에러 (stderr) 메시지

xylophone.cpp:6:12: warning: 'A' defined but not used [-Wunused-variable]
    6 | static int A[5000];
      |            ^
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