제출 #42853

#제출 시각아이디문제언어결과실행 시간메모리
42853fefeGap (APIO16_gap)C++14
30 / 100
68 ms1392 KiB
#include "gap.h" #include<stack> #include<stdio.h> #define f MinMax #define max(x,y) ((x)>(y)?(x):(y)) using namespace std; long long findGap(int T, int N) { long long s,e,ps,pe,maxx=0,x,y; if(T==1){ f(0,(1LL<<62),&ps,&pe); N-=2; while(N>=2){ f(ps+1,pe-1,&s,&e); N-=2; maxx=max(maxx,max(s-ps,pe-e)); ps=s;pe=e; } if(N==1){ f(ps+1,pe-1,&s,&e); return max(maxx,max(s-ps,pe-e)); } return max(maxx,pe-ps); } f(0,(1LL<<62),&ps,&pe); x=(pe-ps)/N; if((pe-ps)%N) x++; while(ps!=pe){ while(1){ f(ps+1,ps+x,&s,&e); if(s!=-1) break; x*=2; } maxx=max(maxx,s-ps); ps=e; } return maxx; }

컴파일 시 표준 에러 (stderr) 메시지

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:9:31: warning: unused variable 'y' [-Wunused-variable]
  long long s,e,ps,pe,maxx=0,x,y;
                               ^
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