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Submission #447488

# Submission time Handle Problem Language Result Execution time Memory
447488 2021-07-26T14:54:06 Z LucaIlie Table Tennis (info1cup20_tabletennis) C++17
61 / 100
 85 ms 5412 KB 
#include <stdio.h>
#include <algorithm>
#include <map>

#define MAX_N 150000
#define MAX_K 400

int v[MAX_N + MAX_K], sume[(2 * MAX_K + 1) * (2 * MAX_K + 1)], ans[MAX_N];

int main() {
    int n, k, m, suma, apMax, s, f, i, j;

    scanf( "%d%d", &n, &k );
    for ( i = 0; i < n + k; i++ )
        scanf( "%d", &v[i] );

    m = 0;
    for ( i = 0; i < 2 * k + 1 && i < n + k; i++ ) {
        for ( j = n + k - (2 * k + 1) > 0 ? n + k - (2 * k + 1) : 0; j < n + k; j++ ) {
            if ( i != j ) {
                sume[m] = v[i] + v[j];
                m++;
            }
        }
    }

    std::sort( sume, sume + m );

    suma = -1;
    apMax = 0;
    i = 0;
    while ( i < m ) {
        j = i + 1;
        while ( sume[i] == sume[j] )
            j++;
        if ( j - i > apMax ) {
            apMax = j - i;
            suma = sume[i];
        }
        i = j;
    }

    s = 0;
    f = n + k - 1;
    i = 0;
    while ( i < n / 2 ) {
        if ( v[s] + v[f] == suma ) {
            ans[i] = v[s];
            ans[n - 1 - i] = v[f];
            s++;
            f--;
            i++;
        }
        else if ( v[s] + v[f] < suma )
            s++;
        else
            f--;
    }

    for ( i = 0; i < n; i++ )
        printf( "%d ", ans[i] );

    return 0;
}

Compilation message

tabletennis.cpp: In function 'int main()':
tabletennis.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     scanf( "%d%d", &n, &k );
      |     ~~~~~^~~~~~~~~~~~~~~~~~
tabletennis.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |         scanf( "%d", &v[i] );
      |         ~~~~~^~~~~~~~~~~~~~~

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 332 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 588 KB Output is correct
2 Correct 39 ms 2824 KB Output is correct
3 Correct 39 ms 2872 KB Output is correct
4 Correct 38 ms 2884 KB Output is correct

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 2852 KB Output is correct
2 Correct 49 ms 2824 KB Output is correct
3 Runtime error 26 ms 1860 KB Execution killed with signal 11
4 Halted 0 ms 0 KB -

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 3 ms 332 KB Output is correct
3 Correct 3 ms 332 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct

Subtask #6
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 1 ms 332 KB Output not sorted
3 Halted 0 ms 0 KB -

Subtask #7
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 39 ms 2852 KB Output is correct
3 Correct 39 ms 2848 KB Output is correct
4 Correct 39 ms 2900 KB Output is correct
5 Correct 38 ms 2860 KB Output is correct
6 Correct 39 ms 2844 KB Output is correct
7 Correct 39 ms 2820 KB Output is correct
8 Correct 39 ms 2880 KB Output is correct

Subtask #8
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 1004 KB Output is correct
2 Correct 84 ms 5412 KB Output is correct
3 Correct 85 ms 5404 KB Output is correct
4 Correct 82 ms 5320 KB Output is correct
5 Correct 67 ms 5332 KB Output is correct
6 Correct 64 ms 5400 KB Output is correct
7 Correct 78 ms 5316 KB Output is correct
8 Correct 85 ms 5324 KB Output is correct