답안 #745003

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
745003 2023-05-19T09:49:16 Z amirhoseinfar1385 Boat (APIO16_boat) C++17
31 / 100
495 ms 524288 KB
#include<bits/stdc++.h>
using namespace std;
int mod=1e9+7;

struct fen{
	long long fn[(1<<20)];
	void upd(int i,long long w){
		i++;
		while(i<(1<<20)){
			fn[i]+=w;
			fn[i]%=mod;
			i+=(-i)&i;
		}
	}
	long long pors(int i){
		i++;
		long long ret=0;
		while(i>0){
			ret+=fn[i];
			i-=(-i)&i;
		}
		ret%=mod;
		return ret;
	}
}fenw;

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int n;
	cin>>n;
	vector<pair<int,int>>all(n);
	vector<int>allind;
	for(int i=0;i<n;i++){
		cin>>all[i].first>>all[i].second;
		for(int j=all[i].first;j<=all[i].second;j++)
		{
			allind.push_back(j);
		}
	}
	allind.push_back(0);
	sort(allind.begin(),allind.end());
	allind.resize(unique(allind.begin(),allind.end())-allind.begin());
	fenw.upd(0,1);
	for(int i=0;i<n;i++){
		int lp=lower_bound(allind.begin(),allind.end(),all[i].first)-allind.begin();
		for(int j=all[i].second-all[i].first;j>=0;j--){
			fenw.upd(lp+j,fenw.pors(lp+j-1));
		}
	}
	long long res=fenw.pors((int)allind.size());
	res+=mod-1;
	res%=mod;
	cout<<res<<"\n";
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 148 ms 4544 KB Output is correct
22 Correct 140 ms 4556 KB Output is correct
23 Correct 134 ms 4552 KB Output is correct
24 Correct 142 ms 4556 KB Output is correct
25 Correct 148 ms 4556 KB Output is correct
26 Correct 156 ms 4556 KB Output is correct
27 Correct 162 ms 4548 KB Output is correct
28 Correct 163 ms 4548 KB Output is correct
29 Correct 161 ms 4556 KB Output is correct
30 Correct 143 ms 12040 KB Output is correct
31 Correct 182 ms 11832 KB Output is correct
32 Correct 185 ms 12084 KB Output is correct
33 Correct 180 ms 11780 KB Output is correct
34 Correct 180 ms 11852 KB Output is correct
35 Correct 137 ms 11320 KB Output is correct
36 Correct 139 ms 11656 KB Output is correct
37 Correct 139 ms 11808 KB Output is correct
38 Correct 134 ms 11456 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Runtime error 495 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 148 ms 4544 KB Output is correct
22 Correct 140 ms 4556 KB Output is correct
23 Correct 134 ms 4552 KB Output is correct
24 Correct 142 ms 4556 KB Output is correct
25 Correct 148 ms 4556 KB Output is correct
26 Correct 156 ms 4556 KB Output is correct
27 Correct 162 ms 4548 KB Output is correct
28 Correct 163 ms 4548 KB Output is correct
29 Correct 161 ms 4556 KB Output is correct
30 Correct 143 ms 12040 KB Output is correct
31 Correct 182 ms 11832 KB Output is correct
32 Correct 185 ms 12084 KB Output is correct
33 Correct 180 ms 11780 KB Output is correct
34 Correct 180 ms 11852 KB Output is correct
35 Correct 137 ms 11320 KB Output is correct
36 Correct 139 ms 11656 KB Output is correct
37 Correct 139 ms 11808 KB Output is correct
38 Correct 134 ms 11456 KB Output is correct
39 Runtime error 495 ms 524288 KB Execution killed with signal 9
40 Halted 0 ms 0 KB -