Submission #379015

#	Time	Username	Problem	Language	Result	Execution time	Memory
379015		daniel920712	Nice sequence (IZhO18_sequence)	C++14	15 / 100	9 ms	1004 KiB

sequence

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

using namespace std;
int big=1e9;
int main()
{
    int T,N,M,i;
    scanf("%d",&T);
    while(T--)
    {
        scanf("%d %d",&N,&M);
        if(max(N,M)%min(N,M)==0)
        {
            if(N>M)
            {
                printf("%d\n",N-1);
                for(i=0;i<N-1;i++) printf("1 ");
                printf("\n");
            }
            else
            {
                printf("%d\n",M-1);
                for(i=0;i<M-1;i++) printf("-1 ");
                printf("\n");
            }
        }
        else if(N==2)
        {
            if(M%2==0) M--;
            printf("%d\n",M);
            for(i=0;i<M;i++)
            {
                if(i%2==0) printf("%d ",big-1);
                else printf("%d ",0-big);
            }
            printf("\n");
        }
        else if(M==2)
        {
            if(N%2==0) N--;
            printf("%d\n",N);
            for(i=0;i<N;i++)
            {
                if(i%2==0) printf("%d ",0-big+1);
                else printf("%d ",big);
            }
            printf("\n");
        }
        else if(N-M==1||N-M==2)
        {
            printf("%d\n",N);
            printf("%d ",0-big/10*9);
            for(i=0;i<M-2;i++) printf("%d ",big/(M-2));
            printf("%d ",0-big/10*9);
            printf("\n");
        }
        else if(M-N==1||M-N==2)
        {
            printf("%d\n",M);
            printf("%d ",big/10*9);
            for(i=0;i<M-2;i++) printf("%d ",0-big/(M-2));
            printf("%d ",big/10*9);
            printf("\n");
        }

    }

    return 0;
}

Compilation message (stderr)

sequence.cpp: In function 'int main()':
sequence.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   10 |     scanf("%d",&T);
      |     ~~~~~^~~~~~~~~
sequence.cpp:13:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   13 |         scanf("%d %d",&N,&M);
      |         ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 9 / 9
• Subtask 3: 0 / 14
• Subtask 4: 0 / 15
• Subtask 5: 0 / 14
• Subtask 6: 0 / 18
• Subtask 7: 0 / 24