제출 #29605

#제출 시각아이디문제언어결과실행 시간메모리
29605adminNizovi (COI14_nizovi)C++14
60 / 100
96 ms5928 KiB
    #include <bits/stdc++.h>
    using namespace std;
    int n,N;
    const int mxn=(1e6)+(1e3)+5;
    int id[mxn];
    int bs(int i,int j)
    {
        int in=-1;
        int l=j;
        int r=n+N;
        while(l<=r)
        {
            int md=(l+r)/2;
            printf("cmp %d %d\n",md,i);
            fflush(stdout);
            int x;
            scanf("%d",&x);
            if(x<=0)
            {
                in=md;
                l=md+1;
            }
            else
                r=md-1;
        }
        return in;
    }
    int main()
    {
        scanf("%d%d",&n,&N);
        int c=n;
        int in=1;
        while(c)
        {
            int x = bs( in, in + c );
            if(x==-1)
            {
                --c;
                ++in;
                continue;
            }
            if( x > in ) printf("reverse %d %d\n", in, x);
            if( x - c > in ) printf("reverse %d %d\n", in, x - c );
            if( x > x - c + 1 ) printf("reverse %d %d\n", x - c + 1, x);
            fflush(stdout);
            in = x - c + 1;
        }
        puts("end");
        fflush(stdout);
    }

컴파일 시 표준 에러 (stderr) 메시지

nizovi.cpp: In function 'int bs(int, int)':
nizovi.cpp:17:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d",&x);
                           ^
nizovi.cpp: In function 'int main()':
nizovi.cpp:30:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&n,&N);
                            ^
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