Submission #334897

#	Time	Username	Problem	Language	Result	Execution time	Memory
334897		beksultan04	Nice sequence (IZhO18_sequence)	C++14	15 / 100	9 ms	1004 KiB

sequence

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define OK puts("OK");
#define fr first
#define sc second
#define ret return
#define scan1(a) scanf("%lld",&a);
#define scan2(a,b) scanf("%lld %lld",&a, &b);
#define scan3(a,b,c) scanf("%lld %lld %lld",&a,&b,&c);
#define all(s) s.begin(),s.end()
#define pb push_back
#define endi puts("");
const int N = 1e6+12,INF=1e9+7;

main(){
    int t;
    scan1(t)
    while (t--){
        int n,m,i,mx,mn;
        scan2(n,m)
        mx = max(m,n);
        mn = min(m,n);
        if (n == 1 || m == 1){
            cout <<mx-1<<"\n";
            if (n > m){
                for (i=1;i<n;++i)cout <<"1 ";
                endi;
            }
            else {
                for (i=1;i<m;++i)cout <<"-1 ";
                endi;
            }
            
        }
        else if (m == 2 && n%m != 0){
            cout <<n<<"\n";
            for (i=0;i<n;++i){
                if (i%2 == 0)cout <<"-199999999 ";
                else cout <<"200000000 ";
            }
        }
        else if (n == 2 && m%n != 0){
            cout <<m<<"\n";
            for (i=0;i<m;++i){
                if (i%2 == 0)cout <<"199999999 ";
                else cout <<"-200000000 ";
            }
        }
        else {
            cout <<mx-1<<"\n";
            if (n > m){
                for (i=1;i<n;++i)cout <<"1 ";
                endi;
            }
            else {
                for (i=1;i<m;++i)cout <<"-1 ";
                endi;
            }
        }
    }
}

Compilation message (stderr)

sequence.cpp:17:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   17 | main(){
      |      ^
sequence.cpp: In function 'int main()':
sequence.cpp:21:22: warning: variable 'mn' set but not used [-Wunused-but-set-variable]
   21 |         int n,m,i,mx,mn;
      |                      ^~
sequence.cpp:9:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    9 | #define scan1(a) scanf("%lld",&a);
      |                  ~~~~~^~~~~~~~~~~
sequence.cpp:19:5: note: in expansion of macro 'scan1'
   19 |     scan1(t)
      |     ^~~~~
sequence.cpp:10:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   10 | #define scan2(a,b) scanf("%lld %lld",&a, &b);
      |                    ~~~~~^~~~~~~~~~~~~~~~~~~~
sequence.cpp:22:9: note: in expansion of macro 'scan2'
   22 |         scan2(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