제출 #348015

#제출 시각아이디문제언어결과실행 시간메모리
348015laoriuLost in the cycle (IOI19_cycle)C++14
0 / 100
1 ms364 KiB
#include "cycle.h"
#include <bits/stdc++.h>

using namespace std;

void escape(int n) {
    if (n == 2) {
        jump(1); return;
    }
    int lo, hi;
    if (jump(0)) {
        lo = (n + 1) / 2; hi = n - 1;
    }
    else {
        lo = 1; hi = (n + 1) / 2 - 1;
    }
    int pre = 0, res;
    while (lo <= hi) {
        int mi = (lo + hi) / 2;
        if (jump((pre + n - mi) % n))
            hi = mi - 1;
        else lo = mi + 1;
        pre = mi;
    }
}

컴파일 시 표준 에러 (stderr) 메시지

cycle.cpp: In function 'void escape(int)':
cycle.cpp:17:18: warning: unused variable 'res' [-Wunused-variable]
   17 |     int pre = 0, res;
      |                  ^~~
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