제출 #1239579

#제출 시각아이디문제언어결과실행 시간메모리
1239579MuhammadSaram식물 비교 (IOI20_plants)C++20
5 / 100
44 ms4936 KiB
#include "plants.h" #include <bits/stdc++.h> using namespace std; const int M = 2e5 + 1; int pre[M], n; void init(int k, vector<int> r) { n=r.size(); for (int i=0;i<n;i++) pre[i+1]=pre[i]+r[i]; return; } int compare_plants(int x, int y) { int len=y-x, val = pre[y]-pre[x]; if (val%len) { val=pre[n]-val, len=n-len; if (val%len) return 0; return (val==len?1:-1); } return (val==len?-1:1); }
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