oj.uz

Submission #1114906

# Submission time Handle Problem Language Result Execution time Memory
1114906 2024-11-19T18:11:19 Z codexistent Domino (COCI15_domino) C++14
140 / 160
 4000 ms 217196 KB 
#include <bits/stdc++.h>
using namespace std;
#define MAXN 2005
#define ll long long
#define FOR(i, a, b) for(int i = a; i <= b; ++i)
#define fs first
#define sc second

ll r, s = 0;
int n, k, g[MAXN][MAXN], m;
vector<pair<ll, pair<pair<int, int>, bool>>> d;
bool v[MAXN][MAXN];

void recurse(int itr = 0, int i = -1, ll sm = 0){
    if(itr == k){
        r = min(r, s - sm);
        return;
    }

    FOR(i2, i + 1, m - 1){
        if(v[d[i2].sc.fs.fs][d[i2].sc.fs.sc] || v[d[i2].sc.fs.fs + !d[i2].sc.sc][d[i2].sc.fs.sc + d[i2].sc.sc]){
            continue;
        }
        v[d[i2].sc.fs.fs][d[i2].sc.fs.sc] = true;
        v[d[i2].sc.fs.fs + !d[i2].sc.sc][d[i2].sc.fs.sc + d[i2].sc.sc] = true;

        recurse(itr + 1, i2, sm + d[i2].fs);

        v[d[i2].sc.fs.fs][d[i2].sc.fs.sc] = false;
        v[d[i2].sc.fs.fs + !d[i2].sc.sc][d[i2].sc.fs.sc + d[i2].sc.sc] = false;
    }
}

int main(){
    cin >> n >> k;
    FOR(i, 1, n) FOR(j, 1, n) {
        cin >> g[i][j];
        v[i][j] = false;
        s += g[i][j];
    }
    r = s;

    FOR(i, 1, n) FOR(j, 1, n) {
        if(i != n) d.push_back({g[i][j] + g[i + 1][j], {{i, j}, 0}});
        if(j != n) d.push_back({g[i][j] + g[i][j + 1], {{i, j}, 1}});
    }
    sort(begin(d), end(d));
    reverse(begin(d), end(d));

    m = min((k - 1) * 7 + 1, 2 * n * (n - 1));
    recurse();

    cout << r << endl;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 23220 KB Output is correct
2 Correct 87 ms 23256 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4880 KB Output is correct
2 Correct 3 ms 4880 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1762 ms 217140 KB Output is correct
2 Correct 1350 ms 217112 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1026 ms 214064 KB Output is correct
2 Correct 971 ms 214316 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 406 ms 62124 KB Output is correct
2 Correct 385 ms 62124 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1851 ms 217104 KB Output is correct
2 Correct 1766 ms 217152 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 4880 KB Output is correct
2 Correct 6 ms 4880 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1744 ms 217032 KB Output is correct
2 Correct 1756 ms 217076 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 269 ms 7500 KB Output is correct
2 Correct 55 ms 7500 KB Output is correct

Subtask #11
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct

Subtask #12
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2148 ms 217168 KB Output is correct
2 Correct 1894 ms 217180 KB Output is correct

Subtask #13
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3541 ms 5136 KB Output is correct
2 Correct 609 ms 5136 KB Output is correct

Subtask #14
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4043 ms 64172 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #15
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 2384 KB Output is correct
2 Correct 23 ms 2384 KB Output is correct

Subtask #16
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4067 ms 217196 KB Time limit exceeded
2 Halted 0 ms 0 KB -