Submission #667668

#	Time	Username	Problem	Language	Result	Execution time	Memory
667668		hyakup	Table Tennis (info1cup20_tabletennis)	C++17	0 / 100	78 ms	852 KiB

tabletennis

#include <bits/stdc++.h>
using namespace std;

#define ll long long

const int maxn = 150010;

int v[maxn];

map< int, int > last, qtd;
vector<int> dists;

int main(){
    
    int n, k; scanf("%d %d", &n, &k );
    
    for( int i = 1; i <= n; i++ ) scanf("%d", &v[i] );
    
    
    for( int i = 1; i <= n; i++ ){
        
        int l = 1, r = n; 
        int soma = -1;
        
        bool ok = true;
        
        while( l < r ){
        
            if( l == i ) l++;
            if( r == i ) r--;
        
            if( soma == -1 ) soma = v[l] + v[r];
            else if( v[l] + v[r] != soma ){
                
                ok = false;
                
                break;
            }
            
            l++, r--;
        }
        
        if( ok ){
            
            for( int j = 1; j <= n; j++){
                
                if( j == i ) continue;
                
                printf("%d ", v[j] );
                
                
            }
            break;
        }
    }
    
    return 0;
}

Compilation message (stderr)

tabletennis.cpp: In function 'int main()':
tabletennis.cpp:15:20: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |     int n, k; scanf("%d %d", &n, &k );
      |               ~~~~~^~~~~~~~~~~~~~~~~~
tabletennis.cpp:17:40: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |     for( int i = 1; i <= n; i++ ) scanf("%d", &v[i] );
      |                                   ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 9
• Subtask 3: 0 / 14
• Subtask 4: 0 / 15
• Subtask 5: 0 / 9
• Subtask 6: 0 / 14
• Subtask 7: 0 / 15
• Subtask 8: 0 / 13