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Submission #1109957

# Submission time Handle Problem Language Result Execution time Memory
1109957 2024-11-08T09:01:58 Z dsyz Boat (APIO16_boat) C++17
0 / 100
 2 ms 336 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define MAXN (1000005)
ll mod = 1e9 + 7;
int main(){
	ios_base::sync_with_stdio(false);cin.tie(0);
	ll N;
	cin>>N;
	ll A[N], B[N];
	for(ll i = 0;i < N;i++){
		cin>>A[i]>>B[i];
	}
	ll dp[N];
	memset(dp,0,sizeof(dp));
	dp[0] = 1;
	for(ll i = 1;i < N;i++){
		for(ll j = 0;j < i;j++){
			if(A[j] < A[i]){
				dp[i] += dp[j];
				dp[i] %= mod;
			}
		}
	}
	ll sum = 0;
	for(ll i = 0;i < N;i++){
		sum += dp[i];
		sum %= mod;
	}
	cout<<sum<<'\n';
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 42.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -