Submission #1085496

#	Time	Username	Problem	Language	Result	Execution time	Memory
1085496		8pete8	Nice sequence (IZhO18_sequence)	C++17	15 / 100	12 ms	1152 KiB

sequence

#include<stdio.h>
#include <stdlib.h>
#define int long long
int compare(const void* a, const void* b){
   return (*(int*)a - *(int*)b);
}
const int mx=1e9;
void solve(){
    int n,m;scanf("%lld %lld",&n,&m);
    int mul=1;
    if(n>m){
        n^=m,m^=n,n^=m;
        mul=-1;
    }
    int k=m+(n-m%n)-1;
    if(m%n==0){
        printf("%lld\n",m-1);
        for(int i=0;i<m-1;i++)printf("%lld ",-mul);
        printf("\n");
        return;
    }
    int ans[k],val;
    if(n==1)val=0;
    else val=(mx-1)/(n-1);
    printf("%lld\n",k);
    for(int i=0;i<k;i++){
        if((i%n)==(n-1))ans[i]=-mx;
        else ans[i]=val;
    }
    for(int i=0;i<k;i++)printf("%lld ",mul*ans[i]);
    printf("\n");
    
}
int32_t main(){
    int t;scanf("%lld",&t);
    while(t--)solve();
}
/*

+++-

3
3 1
2 3 
1 1

*/

Compilation message (stderr)

sequence.cpp: In function 'void solve()':
sequence.cpp:9:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |     int n,m;scanf("%lld %lld",&n,&m);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~
sequence.cpp: In function 'int32_t main()':
sequence.cpp:35:16: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |     int t;scanf("%lld",&t);
      |           ~~~~~^~~~~~~~~~~

• 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