oj.uz

Submission #697487

# Submission time Handle Problem Language Result Execution time Memory
697487 2023-02-10T05:09:45 Z Sandarach151 Crossing (JOI21_crossing) C++17
26 / 100
 197 ms 7620 KB 
#include <bits/stdc++.h>
using namespace std;

struct segtree{
	vector<char> curequals;
	vector<char> targequals;
	vector<bool> equals;
	string cur;
	string targ;
	int size;
	segtree(int _size, string _cur, string _targ): cur(_cur), targ(_targ), size(_size){
        curequals.resize(4*size+5);
        targequals.resize(4*size+5);
        equals.resize(4*size+5);
        build(0, size-1, 0);
    }
    void build(int left, int right, int pos){
        if(left!=right){
            int mid = (left+right)/2;
            build(left, mid, 2*pos+1);
            build(mid+1, right, 2*pos+2);
            if(targequals[2*pos+1]==targequals[2*pos+2]){
                targequals[pos]=targequals[2*pos+1];
            }
            else{
                targequals[pos]='0';
            }
            if(curequals[2*pos+1]==curequals[2*pos+2]){
                curequals[pos]=curequals[2*pos+1];
            }
            else{
                curequals[pos]='0';
            }
            equals[pos]=(equals[2*pos+1] && equals[2*pos+2]);
        }
        else{
            targequals[pos] = targ[left];
            curequals[pos] = cur[left];
            equals[pos] = (targequals[pos]==curequals[pos]);
        }
    }
    void update(char c, int left, int right, int start, int end, int pos){
        if(start==left && end==right){
            curequals[pos] = c;
            equals[pos] = (targequals[pos]!='0' && curequals[pos]==targequals[pos]);
        }
        else{
            if(curequals[pos]!='0'){
                curequals[2*pos+1] = curequals[pos];
                equals[2*pos+1] = (targequals[2*pos+1]==curequals[2*pos+1]);
                curequals[2*pos+2] = curequals[pos];
                equals[2*pos+2] = (targequals[2*pos+2]==curequals[2*pos+2]);
                curequals[pos] = '0';
            }
            int mid = (left+right)/2;
            if(start>mid){
                update(c, mid+1, right, start, end, 2*pos+2);
            }
            else if(end<=mid){
                update(c, left, mid, start, end, 2*pos+1);
            }
            else{
                update(c, left, mid, start, mid, 2*pos+1);
                update(c, mid+1, right, mid+1, end, 2*pos+2);
            }
            equals[pos] = (equals[2*pos+2] && equals[2*pos+1]);
        }
    }
};

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
    int n;
    cin >> n;
    string a, b, c;
    cin >> a >> b >> c;
    int q;
    cin >> q;
    string init;
    cin >> init;
    segtree root(n, init, a);
    if(root.equals[0]){
        cout << "Yes\n";
    }
    else{
        cout << "No\n";
    }
    for(int i=0; i<q; i++){
        int d, e;
        char f;
        cin >> d >> e >> f;
        d--;
        e--;
        root.update(f, 0, n-1, d, e, 0);
        if(root.equals[0]){
        cout << "Yes\n";
        }
        else{
            cout << "No\n";
        }
    }
    return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 844 KB Output is correct
2 Correct 66 ms 896 KB Output is correct
3 Correct 68 ms 804 KB Output is correct
4 Correct 58 ms 836 KB Output is correct
5 Correct 57 ms 832 KB Output is correct
6 Correct 55 ms 848 KB Output is correct
7 Correct 56 ms 872 KB Output is correct
8 Correct 58 ms 900 KB Output is correct
9 Correct 63 ms 868 KB Output is correct
10 Correct 67 ms 844 KB Output is correct
11 Correct 58 ms 892 KB Output is correct
12 Correct 62 ms 840 KB Output is correct
13 Correct 62 ms 868 KB Output is correct
14 Correct 60 ms 804 KB Output is correct
15 Correct 61 ms 824 KB Output is correct
16 Correct 60 ms 800 KB Output is correct
17 Correct 59 ms 836 KB Output is correct
18 Correct 66 ms 936 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 844 KB Output is correct
2 Correct 66 ms 896 KB Output is correct
3 Correct 68 ms 804 KB Output is correct
4 Correct 58 ms 836 KB Output is correct
5 Correct 57 ms 832 KB Output is correct
6 Correct 55 ms 848 KB Output is correct
7 Correct 56 ms 872 KB Output is correct
8 Correct 58 ms 900 KB Output is correct
9 Correct 63 ms 868 KB Output is correct
10 Correct 67 ms 844 KB Output is correct
11 Correct 58 ms 892 KB Output is correct
12 Correct 62 ms 840 KB Output is correct
13 Correct 62 ms 868 KB Output is correct
14 Correct 60 ms 804 KB Output is correct
15 Correct 61 ms 824 KB Output is correct
16 Correct 60 ms 800 KB Output is correct
17 Correct 59 ms 836 KB Output is correct
18 Correct 66 ms 936 KB Output is correct
19 Correct 176 ms 6548 KB Output is correct
20 Correct 192 ms 7340 KB Output is correct
21 Correct 110 ms 7120 KB Output is correct
22 Correct 109 ms 6668 KB Output is correct
23 Correct 87 ms 3372 KB Output is correct
24 Correct 88 ms 3404 KB Output is correct
25 Correct 118 ms 7412 KB Output is correct
26 Correct 121 ms 7472 KB Output is correct
27 Correct 147 ms 7596 KB Output is correct
28 Correct 150 ms 7468 KB Output is correct
29 Correct 145 ms 7412 KB Output is correct
30 Correct 99 ms 3468 KB Output is correct
31 Correct 152 ms 7448 KB Output is correct
32 Correct 132 ms 7048 KB Output is correct
33 Correct 93 ms 3408 KB Output is correct
34 Correct 166 ms 7428 KB Output is correct
35 Correct 103 ms 6276 KB Output is correct
36 Correct 89 ms 3308 KB Output is correct
37 Correct 86 ms 3364 KB Output is correct
38 Correct 161 ms 7316 KB Output is correct
39 Correct 94 ms 7440 KB Output is correct
40 Correct 112 ms 6264 KB Output is correct
41 Correct 197 ms 7620 KB Output is correct
42 Correct 42 ms 6924 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 844 KB Output is correct
2 Correct 66 ms 896 KB Output is correct
3 Correct 68 ms 804 KB Output is correct
4 Correct 58 ms 836 KB Output is correct
5 Correct 57 ms 832 KB Output is correct
6 Correct 55 ms 848 KB Output is correct
7 Correct 56 ms 872 KB Output is correct
8 Correct 58 ms 900 KB Output is correct
9 Correct 63 ms 868 KB Output is correct
10 Correct 67 ms 844 KB Output is correct
11 Correct 58 ms 892 KB Output is correct
12 Correct 62 ms 840 KB Output is correct
13 Correct 62 ms 868 KB Output is correct
14 Correct 60 ms 804 KB Output is correct
15 Correct 61 ms 824 KB Output is correct
16 Correct 60 ms 800 KB Output is correct
17 Correct 59 ms 836 KB Output is correct
18 Correct 66 ms 936 KB Output is correct
19 Correct 63 ms 756 KB Output is correct
20 Correct 71 ms 888 KB Output is correct
21 Incorrect 59 ms 824 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #4
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 844 KB Output is correct
2 Correct 66 ms 896 KB Output is correct
3 Correct 68 ms 804 KB Output is correct
4 Correct 58 ms 836 KB Output is correct
5 Correct 57 ms 832 KB Output is correct
6 Correct 55 ms 848 KB Output is correct
7 Correct 56 ms 872 KB Output is correct
8 Correct 58 ms 900 KB Output is correct
9 Correct 63 ms 868 KB Output is correct
10 Correct 67 ms 844 KB Output is correct
11 Correct 58 ms 892 KB Output is correct
12 Correct 62 ms 840 KB Output is correct
13 Correct 62 ms 868 KB Output is correct
14 Correct 60 ms 804 KB Output is correct
15 Correct 61 ms 824 KB Output is correct
16 Correct 60 ms 800 KB Output is correct
17 Correct 59 ms 836 KB Output is correct
18 Correct 66 ms 936 KB Output is correct
19 Correct 176 ms 6548 KB Output is correct
20 Correct 192 ms 7340 KB Output is correct
21 Correct 110 ms 7120 KB Output is correct
22 Correct 109 ms 6668 KB Output is correct
23 Correct 87 ms 3372 KB Output is correct
24 Correct 88 ms 3404 KB Output is correct
25 Correct 118 ms 7412 KB Output is correct
26 Correct 121 ms 7472 KB Output is correct
27 Correct 147 ms 7596 KB Output is correct
28 Correct 150 ms 7468 KB Output is correct
29 Correct 145 ms 7412 KB Output is correct
30 Correct 99 ms 3468 KB Output is correct
31 Correct 152 ms 7448 KB Output is correct
32 Correct 132 ms 7048 KB Output is correct
33 Correct 93 ms 3408 KB Output is correct
34 Correct 166 ms 7428 KB Output is correct
35 Correct 103 ms 6276 KB Output is correct
36 Correct 89 ms 3308 KB Output is correct
37 Correct 86 ms 3364 KB Output is correct
38 Correct 161 ms 7316 KB Output is correct
39 Correct 94 ms 7440 KB Output is correct
40 Correct 112 ms 6264 KB Output is correct
41 Correct 197 ms 7620 KB Output is correct
42 Correct 42 ms 6924 KB Output is correct
43 Correct 63 ms 756 KB Output is correct
44 Correct 71 ms 888 KB Output is correct
45 Incorrect 59 ms 824 KB Output isn't correct
46 Halted 0 ms 0 KB -