oj.uz

Submission #103598

# Submission time Handle Problem Language Result Execution time Memory
103598 2019-03-31T19:34:37 Z kishtarn555 Mobitel (COCI19_mobitel) C++14
0 / 130
 6000 ms 4600 KB 
#include<iostream>
#include<math.h>
#include<stdlib.h>
#include<algorithm>

using namespace std;
int N,M, K;
const long long mod = 1e9+7;
long long mat[300][300];
long long memo[300][300][301];
long long memo2[300][300][301];
bool vis[300][300][301];
long long dp(int i, int j, long long s) {

    if (i < 0 ||j<0)return 0;
    s*=mat[i][j];
    if ( s >= K)return 0;
    if (vis[i][j][s])
        return memo[i][j][s];
    if (i==0 && j==0)return 1;
    vis[i][j][s]=true;
    return memo[i][j][s] = (dp(i-1,j,s)+dp(i,j-1,s))%mod;
}

long long dp2(int i, int j, long long s) {

    if (i < 0 ||j<0)return 0;

    if (memo2[i][j][s])
        return memo2[i][j][s];
    if (i==0 || j==0)return 1;

    return memo[i][j][s] = (dp2(i-1,j,s)+dp2(i,j-1,s))%mod;
}
int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >>N>>M>>K;
    for (int i = 0; i < N; i++) {
for (int j = 0; j < M; j++) {
        cin >> mat[i][j];

    }

    }
    cout << (dp2(N-1,M-1,1)-dp(N-1,M-1,1)+mod)%mod;
    return 0;
}

Subtask #1
0 / 130.0

# Verdict Execution time Memory Grader output
1 Execution timed out 6093 ms 4500 KB Time limit exceeded
2 Execution timed out 6068 ms 4516 KB Time limit exceeded
3 Execution timed out 6058 ms 1856 KB Time limit exceeded
4 Execution timed out 6099 ms 1884 KB Time limit exceeded
5 Execution timed out 6058 ms 1988 KB Time limit exceeded
6 Execution timed out 6079 ms 1912 KB Time limit exceeded
7 Execution timed out 6047 ms 1784 KB Time limit exceeded
8 Execution timed out 6076 ms 3320 KB Time limit exceeded
9 Execution timed out 6081 ms 4572 KB Time limit exceeded
10 Execution timed out 6086 ms 4600 KB Time limit exceeded