Submission #441087

#	Time	Username	Problem	Language	Result	Execution time	Memory
441087		OttoTheDino	Jump (BOI06_jump)	C++17	70 / 100	1 ms	436 KiB

jump

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

#define rep(i,s,e)                  for (int i = s; i <= e; ++i)
#define rrep(i,s,e)                 for (int i = s; i >= e; --i)
#define pb                          push_back
#define pf                          push_front
#define fi                          first
#define se                          second
#define all(a)                      a.begin(), a.end()
typedef long long ll;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef vector<int> vi;
typedef vector<double> vd;
typedef vector<string> vs;
typedef vector<char> vc;
typedef vector<ll> vll;

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);

    int n; cin >> n;
    int a[n][n];
    ll dp[n][n]={};
    rep (i,0,n-1) rep (j,0,n-1) cin >> a[i][j];
    dp[0][0] = 1;
    rep (i,0,n-1) {
        rep(j,0,n-1) {
            if (a[i][j]==0) continue;
            if (i+a[i][j]<n) dp[i+a[i][j]][j]+=dp[i][j];
            if (j+a[i][j]<n) dp[i][j+a[i][j]]+=dp[i][j];
        }
    }
    cout << dp[n-1][n-1] << "\n";

    return 0;
}

• Subtask 1: 70 / 100