Submission #375071

#	Time	Username	Problem	Language	Result	Execution time	Memory
375071		daniel920712	Naan (JOI19_naan)	C++14	0 / 100	43 ms	35636 KiB

naan

#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <vector>

using namespace std;
vector < long long > sum[1005];

int main()
{
    long long N,M,i,j,k,tt=0,t;
    scanf("%lld %lld",&N,&M);
    for(i=0;i<N;i++)
    {
        tt=0;
        sum[i].push_back(tt);
        for(j=0;j<M;j++)
        {
            scanf("%lld",&t);
            for(k=0;k<M;k++)
            {
                tt+=t;
                sum[i].push_back(tt);
            }
        }
    }
    N*=M;
    for(i=1;i<N;i++)
    {
        if(sum[0][i]*N>=sum[0][N]*i&&(sum[1][N]-sum[1][i])*N>=sum[1][N]*(N-i))
        {
            printf("%lld 2\n",i);
            printf("1 2\n");
            return 0;
        }

        if(sum[1][i]*N>=sum[1][N]*i&&(sum[0][N]-sum[0][i])*N>=sum[0][N]*(N-i))
        {
            printf("%lld 2\n",i);
            printf("2 1\n");
            return 0;
        }

    }
    printf("-1\n");

    return 0;
}

Compilation message (stderr)

naan.cpp: In function 'int main()':
naan.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   12 |     scanf("%lld %lld",&N,&M);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~
naan.cpp:19:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   19 |             scanf("%lld",&t);
      |             ~~~~~^~~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 24
• Subtask 3: 0 / 71