제출 #102067

#제출 시각아이디문제언어결과실행 시간메모리
102067daniel920712The Big Prize (IOI17_prize)C++14
20 / 100
3 ms432 KiB
#include <iostream> #include <stdio.h> #include <stdlib.h> #include "prize.h" using namespace std; int find_best(int n) { vector < int > t; int i,l,r; t=ask(0); if(t[0]==0&&t[1]==0) return 0; t=ask(n-1); if(t[0]==0&&t[1]==0) return n-1; l=0; r=n; while((r-l)>1) { t=ask((l+r)/2); //printf("%d %d %d %d\n",l,r,t[0],t[1]); if(t[0]==0&&t[1]==0) return (l+r)/2; if(t[0]==1) r=(l+r)/2; else l=(l+r)/2; } t=ask(l); if(t[0]==0&&t[1]==0) return l; else return r; }

컴파일 시 표준 에러 (stderr) 메시지

prize.cpp: In function 'int find_best(int)':
prize.cpp:11:9: warning: unused variable 'i' [-Wunused-variable]
     int i,l,r;
         ^
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