oj.uz

Submission #1111418

# Submission time Handle Problem Language Result Execution time Memory
1111418 2024-11-12T08:19:59 Z Ruichen Drivers (BOI24_drivers) C++17
0 / 100
 1 ms 336 KB 
#include <bits/stdc++.h>
using namespace std;

int main(){
	int n, ans=0, d, x;
	long long p;
	cin >> n;
	vector<int> a(n,0);
	a[0]=1;
	for(int i=0; i<n; i++){
		cin >> d >> x;
		p=i;
		if(d>0){
			for(int j=0; j<x; j++){
				p+=d;
				if(p<n){
					a[p]+=a[i];
					//cout << a[i] << " " << a[p] << endl;
					a[p]%=(int)1e9+7;
				}
			}
		} 
		ans+=a[i];
		ans%=(int)1e9+7;
	}
	cout << ans << endl;
	return 0;
}

Subtask #1
0.0 / 10.0

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

Subtask #2
0.0 / 11.0

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

Subtask #3
0.0 / 11.0

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

Subtask #4
0.0 / 23.0

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

Subtask #5
0.0 / 45.0

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