oj.uz

Submission #673278

# Submission time Handle Problem Language Result Execution time Memory
673278 2022-12-20T05:28:09 Z Alihan_8 Nice sequence (IZhO18_sequence) C++17
0 / 100
 1 ms 212 KB 
#include <bits/stdc++.h>
// include <ext/pb_ds/assoc_container.hpp>
// include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
using namespace std;
#define all(x) x.begin(), x.end()
#define pb push_back
// define ordered_set tree<int,null_type,less_equal<int>,rb_tree_tag,tree_order_statistics_node_update>
#define mpr make_pair
#define ln '\n'
void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
#define int long long
void solve(){
    int n, m; cin >> n >> m;
    int sign = 1;
    if ( n > m ) swap(n, m), sign = -1;
    cout << n-1 << ln;
    for ( int i = 1; i <= n; i++ ) cout << sign << ' ';
    cout << ln;
}
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int T; cin >> T;
    while ( T-- ){
        solve();
    }

    cout << '\n';
}

Compilation message

sequence.cpp: In function 'void IO(std::string)':
sequence.cpp:11:29: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 | void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sequence.cpp:11:70: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 | void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                                                               ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB All the numbers must be nonzero
2 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Jury has the better answer : jans = 3, pans = 1
2 Halted 0 ms 0 KB -

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Jury has the better answer : jans = 2, pans = 0
2 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Jury has the better answer : jans = 3, pans = 1
2 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB All the numbers must be nonzero
2 Halted 0 ms 0 KB -

Subtask #6
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB All the numbers must be nonzero
2 Halted 0 ms 0 KB -

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB All the numbers must be nonzero
2 Halted 0 ms 0 KB -