제출 #116612

#제출 시각아이디문제언어결과실행 시간메모리
116612dragonslayerit코끼리 (Dancing Elephants) (IOI11_elephants)C++14
26 / 100
9073 ms3196 KiB
#include "elephants.h" #include <vector> #include <algorithm> const int INF=1e9+7; std::vector<int> xs; std::vector<int> ys; int l; void init(int N, int L, int X[]) { l=L; for(int i=0;i<N;i++){ xs.push_back(X[i]); } ys=xs; } int update(int i, int new_val) { for(int& y:ys){ if(y==xs[i]){ y=new_val; break; } } xs[i]=new_val; //std::sort(ys.begin(),ys.end()); for(int i=0;i<ys.size();i++){ int tmp=ys[i]; int j=i; while(j>0&&ys[j-1]>tmp){ ys[j]=ys[j-1]; j--; } ys[j]=tmp; } int far=-INF; int cnt=0; for(int x:ys){ if(x>far){ far=x+l; cnt++; } } return cnt; }

컴파일 시 표준 에러 (stderr) 메시지

elephants.cpp: In function 'int update(int, int)':
elephants.cpp:31:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<ys.size();i++){
               ~^~~~~~~~~~
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