Submission #29245

#	Time	Username	Problem	Language	Result	Execution time	Memory
29245		samir_droubi	Nizovi (COI14_nizovi)	C++14	80 / 100	99 ms	5928 KiB

nizovi

#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);
        fflush(stdout);
        if( x - c > in ) printf("reverse %d %d\n", in, x - c );
        fflush(stdout);
        if( x > x - c + 1 ) printf("reverse %d %d\n", x - c + 1, x);
        fflush(stdout);
        in = x - c + 1;
    }
    puts("end");
    fflush(stdout);
    return 0;
}

Compilation message (stderr)

nizovi.cpp: In function 'int bs(int, int)':
nizovi.cpp:17:23: 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:30:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&N);
                        ^

• Subtask 1: 80 / 100