제출 #520361

#제출 시각아이디문제언어결과실행 시간메모리
520361krit3379Gap (APIO16_gap)C++17
100 / 100
65 ms3216 KiB
#include<bits/stdc++.h> using namespace std; #include "gap.h" long long a[100005],l,r,ans,ma,mi; long long findGap(int t,int n){ int i,j; if(t==1){ l=0,r=1e18; for(i=1,j=n;i<=j;i++,j--){ MinMax(l,r,&mi,&ma); a[i]=mi; a[j]=ma; l=mi+1; r=ma-1; } for(i=1;i<n;i++)ans=max(ans,a[i+1]-a[i]); return ans; } else{ long long last,gap; vector<long long> a; l=0,r=1e18; MinMax(l,r,&mi,&ma); a.push_back(mi); a.push_back(ma); last=ma-1; gap=(ma-mi+n-2)/(n-1); while(l<r){ l=mi+1; r=min(mi+gap,last); MinMax(l,r,&mi,&ma); if(mi==-1){ mi=r; if(r==last)break; continue; } a.push_back(mi); a.push_back(ma); mi=r; if(r==last)break; } sort(a.begin(),a.end()); for(i=1;i<a.size();i++)ans=max(ans,a[i]-a[i-1]); return ans; } }

컴파일 시 표준 에러 (stderr) 메시지

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:45:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |         for(i=1;i<a.size();i++)ans=max(ans,a[i]-a[i-1]);
      |                 ~^~~~~~~~~
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