oj.uz

Submission #1081387

# Submission time Handle Problem Language Result Execution time Memory
1081387 2024-08-30T03:26:51 Z LCJLY Fish 2 (JOI22_fish2) C++14
25 / 100
 4000 ms 4572 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long 
#define ld long double
#define show(x,y) cout << y << " " << #x << endl;
#define show2(x,y,i,j) cout << y << " " << #x << "  " << j << " " << #i << endl;
#define show3(x,y,i,j,p,q) cout << y << " " << #x << "  " << j << " " << #i << "  " << q << " " << #p << endl;
#define show4(x,y) for(auto it:y) cout << it << " "; cout << #x << endl;
typedef pair<int,int>pii;
typedef pair<pii,int>pi2;
mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count());

int arr[100005];
int	prefix[100005];

void solve(){ 	
	int n;
	cin >> n;
	
	int lft[n+5];
	int rgt[n+5];
	for(int x=1;x<=n;x++){
		cin >> arr[x];
	}
	
	int q;
	cin >> q;
	int temp,l,r;
	
	for(int x=0;x<q;x++){
		cin >> temp >> l >> r;
		if(temp==1) arr[l]=r;
		else{
			prefix[l-1]=0;
			for(int y=l;y<=r;y++){
				prefix[y]=prefix[y-1]+arr[y];
				lft[y]=rgt[y]=y;
			}	
			
			int counter=0;
			for(int y=l;y<=r;y++){
				while(lft[y]>l||rgt[y]<r){
					if(lft[y]>l&&prefix[rgt[y]]-prefix[lft[y]-1]>=arr[lft[y]-1]){
						int hold=lft[y]-1;
						lft[y]=min(lft[y],lft[hold]);
						rgt[y]=max(rgt[y],rgt[hold]);
					}
					else if(rgt[y]<r&&prefix[rgt[y]]-prefix[lft[y]-1]>=arr[rgt[y]+1]){
						int hold=rgt[y]+1;
						lft[y]=min(lft[y],lft[hold]);
						rgt[y]=max(rgt[y],rgt[hold]);
					}
					else break;
				}
				if(lft[y]==l&&rgt[y]==r) counter++;
			}
			cout << counter << "\n";
		}
	}
}

int32_t main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	int t=1;
	//cin >> t;
	//freopen("in.txt","r",stdin);
	while(t--){
		solve();
	}
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 472 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 4 ms 504 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 2 ms 348 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 8 ms 3932 KB Output is correct
3 Correct 8 ms 3892 KB Output is correct
4 Correct 8 ms 3940 KB Output is correct
5 Correct 8 ms 3676 KB Output is correct
6 Correct 9 ms 4536 KB Output is correct
7 Correct 8 ms 3676 KB Output is correct
8 Correct 10 ms 4556 KB Output is correct
9 Correct 8 ms 3792 KB Output is correct
10 Correct 11 ms 4172 KB Output is correct
11 Correct 13 ms 3672 KB Output is correct
12 Correct 8 ms 3832 KB Output is correct
13 Correct 8 ms 3672 KB Output is correct
14 Correct 8 ms 4016 KB Output is correct
15 Correct 9 ms 4188 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 472 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 4 ms 504 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 2 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 8 ms 3932 KB Output is correct
23 Correct 8 ms 3892 KB Output is correct
24 Correct 8 ms 3940 KB Output is correct
25 Correct 8 ms 3676 KB Output is correct
26 Correct 9 ms 4536 KB Output is correct
27 Correct 8 ms 3676 KB Output is correct
28 Correct 10 ms 4556 KB Output is correct
29 Correct 8 ms 3792 KB Output is correct
30 Correct 11 ms 4172 KB Output is correct
31 Correct 13 ms 3672 KB Output is correct
32 Correct 8 ms 3832 KB Output is correct
33 Correct 8 ms 3672 KB Output is correct
34 Correct 8 ms 4016 KB Output is correct
35 Correct 9 ms 4188 KB Output is correct
36 Correct 135 ms 3928 KB Output is correct
37 Correct 408 ms 3920 KB Output is correct
38 Correct 483 ms 3676 KB Output is correct
39 Correct 57 ms 3928 KB Output is correct
40 Correct 526 ms 3896 KB Output is correct
41 Correct 288 ms 4444 KB Output is correct
42 Correct 369 ms 4444 KB Output is correct
43 Correct 554 ms 3676 KB Output is correct
44 Correct 660 ms 3676 KB Output is correct
45 Correct 608 ms 4176 KB Output is correct
46 Correct 839 ms 4180 KB Output is correct
47 Correct 1437 ms 3672 KB Output is correct
48 Correct 159 ms 3828 KB Output is correct
49 Correct 500 ms 3728 KB Output is correct
50 Correct 217 ms 4184 KB Output is correct
51 Correct 958 ms 4188 KB Output is correct
52 Correct 1022 ms 4188 KB Output is correct

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 8 ms 3932 KB Output is correct
3 Correct 8 ms 3892 KB Output is correct
4 Correct 8 ms 3940 KB Output is correct
5 Correct 8 ms 3676 KB Output is correct
6 Correct 9 ms 4536 KB Output is correct
7 Correct 8 ms 3676 KB Output is correct
8 Correct 10 ms 4556 KB Output is correct
9 Correct 8 ms 3792 KB Output is correct
10 Correct 11 ms 4172 KB Output is correct
11 Correct 13 ms 3672 KB Output is correct
12 Correct 8 ms 3832 KB Output is correct
13 Correct 8 ms 3672 KB Output is correct
14 Correct 8 ms 4016 KB Output is correct
15 Correct 9 ms 4188 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Execution timed out 4088 ms 4204 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 8 ms 3932 KB Output is correct
3 Correct 8 ms 3892 KB Output is correct
4 Correct 8 ms 3940 KB Output is correct
5 Correct 8 ms 3676 KB Output is correct
6 Correct 9 ms 4536 KB Output is correct
7 Correct 8 ms 3676 KB Output is correct
8 Correct 10 ms 4556 KB Output is correct
9 Correct 8 ms 3792 KB Output is correct
10 Correct 11 ms 4172 KB Output is correct
11 Correct 13 ms 3672 KB Output is correct
12 Correct 8 ms 3832 KB Output is correct
13 Correct 8 ms 3672 KB Output is correct
14 Correct 8 ms 4016 KB Output is correct
15 Correct 9 ms 4188 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Execution timed out 4066 ms 4572 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 472 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 4 ms 504 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 2 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 8 ms 3932 KB Output is correct
23 Correct 8 ms 3892 KB Output is correct
24 Correct 8 ms 3940 KB Output is correct
25 Correct 8 ms 3676 KB Output is correct
26 Correct 9 ms 4536 KB Output is correct
27 Correct 8 ms 3676 KB Output is correct
28 Correct 10 ms 4556 KB Output is correct
29 Correct 8 ms 3792 KB Output is correct
30 Correct 11 ms 4172 KB Output is correct
31 Correct 13 ms 3672 KB Output is correct
32 Correct 8 ms 3832 KB Output is correct
33 Correct 8 ms 3672 KB Output is correct
34 Correct 8 ms 4016 KB Output is correct
35 Correct 9 ms 4188 KB Output is correct
36 Correct 135 ms 3928 KB Output is correct
37 Correct 408 ms 3920 KB Output is correct
38 Correct 483 ms 3676 KB Output is correct
39 Correct 57 ms 3928 KB Output is correct
40 Correct 526 ms 3896 KB Output is correct
41 Correct 288 ms 4444 KB Output is correct
42 Correct 369 ms 4444 KB Output is correct
43 Correct 554 ms 3676 KB Output is correct
44 Correct 660 ms 3676 KB Output is correct
45 Correct 608 ms 4176 KB Output is correct
46 Correct 839 ms 4180 KB Output is correct
47 Correct 1437 ms 3672 KB Output is correct
48 Correct 159 ms 3828 KB Output is correct
49 Correct 500 ms 3728 KB Output is correct
50 Correct 217 ms 4184 KB Output is correct
51 Correct 958 ms 4188 KB Output is correct
52 Correct 1022 ms 4188 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Execution timed out 4088 ms 4204 KB Time limit exceeded
55 Halted 0 ms 0 KB -