oj.uz

Submission #580443

# Submission time Handle Problem Language Result Execution time Memory
580443 2022-06-21T08:55:21 Z colossal_pepe Crossing (JOI21_crossing) C++17
26 / 100
 543 ms 30476 KB 
#include <iostream>
#include <vector>
#include <cstring>
using namespace std;

struct Node {
    int cnt_s[3], cnt_t[3], lazy;
    bool match;
    Node() {
        cnt_s[0] = cnt_s[1] = cnt_s[2] = 0;
        cnt_t[0] = cnt_t[1] = cnt_t[2] = 0;
        lazy = -1;
    }
};

int n, q;
string s, t;
vector<Node> sgt;

int id(char c) {
    if (c == 'J') return 0;
    else if (c == 'O') return 1;
    else return 2;
}

void init(int u, int l, int r) {
    if (l == r) {
        sgt[u].cnt_s[id(s[l])]++;
        sgt[u].cnt_t[id(t[l])]++;
        sgt[u].match = (s[l] == t[l]);
    } else {
        int mid = (l + r) / 2;
        init(2 * u, l, mid);
        init(2 * u + 1, mid + 1, r);
        for (int i = 0; i < 3; i++) {
            sgt[u].cnt_s[i] = sgt[2 * u].cnt_s[i] + sgt[2 * u + 1].cnt_s[i];
            sgt[u].cnt_t[i] = sgt[2 * u].cnt_t[i] + sgt[2 * u + 1].cnt_t[i];
        }
        sgt[u].match = (sgt[2 * u].match & sgt[2 * u + 1].match);
    }
}

void update(int u, int l, int r, int L, int R, int x) {
    if (r < L or R < l) return;
    else if (L <= l and r <= R) {
        memset(sgt[u].cnt_t, 0, sizeof(sgt[u].cnt_t));
        sgt[u].cnt_t[x] = r - l + 1;
        sgt[u].lazy = x;
        sgt[u].match = (sgt[u].cnt_s[x] == sgt[u].cnt_t[x]);
    } else {
        int mid = (l + r) / 2;
        if (sgt[u].lazy != -1) {
            memset(sgt[2 * u].cnt_t, 0, sizeof(sgt[2 * u].cnt_t));
            memset(sgt[2 * u + 1].cnt_t, 0, sizeof(sgt[2 * u + 1].cnt_t));
            sgt[2 * u].cnt_t[sgt[u].lazy] = mid - l + 1;
            sgt[2 * u].match = (sgt[2 * u].cnt_s[sgt[u].lazy] == sgt[2 * u].cnt_t[sgt[u].lazy]);
            sgt[2 * u + 1].cnt_t[sgt[u].lazy] = r - mid;
            sgt[2 * u + 1].match = (sgt[2 * u + 1].cnt_s[sgt[u].lazy] == sgt[2 * u + 1].cnt_t[sgt[u].lazy]);
            sgt[2 * u].lazy = sgt[2 * u + 1].lazy = sgt[u].lazy;
            sgt[u].lazy = -1;
        }
        update(2 * u, l, mid, L, R, x);
        update(2 * u + 1, mid + 1, r, L, R, x);
        for (int i = 0; i < 3; i++) {
            sgt[u].cnt_t[i] = sgt[2 * u].cnt_t[i] + sgt[2 * u + 1].cnt_t[i];
        }
        sgt[u].match = (sgt[2 * u].match & sgt[2 * u + 1].match);
    }
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n >> s >> s >> s >> q >> t;
    sgt.resize(4 * n, Node());
    init(1, 0, n - 1);
    cout << (sgt[1].match ? "Yes" : "No") << endl;
    while (q--) {
        int l, r;
        char c;
        cin >> l >> r >> c;
        update(1, 0, n - 1, l - 1, r - 1, id(c));
        cout << (sgt[1].match ? "Yes" : "No") << endl;
    }
    return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 275 ms 2252 KB Output is correct
2 Correct 311 ms 2428 KB Output is correct
3 Correct 301 ms 2268 KB Output is correct
4 Correct 285 ms 2284 KB Output is correct
5 Correct 275 ms 2264 KB Output is correct
6 Correct 277 ms 2220 KB Output is correct
7 Correct 277 ms 2376 KB Output is correct
8 Correct 290 ms 2532 KB Output is correct
9 Correct 294 ms 2468 KB Output is correct
10 Correct 299 ms 2448 KB Output is correct
11 Correct 311 ms 2320 KB Output is correct
12 Correct 299 ms 2380 KB Output is correct
13 Correct 292 ms 2548 KB Output is correct
14 Correct 291 ms 2444 KB Output is correct
15 Correct 298 ms 2708 KB Output is correct
16 Correct 286 ms 2388 KB Output is correct
17 Correct 290 ms 2472 KB Output is correct
18 Correct 308 ms 2264 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 275 ms 2252 KB Output is correct
2 Correct 311 ms 2428 KB Output is correct
3 Correct 301 ms 2268 KB Output is correct
4 Correct 285 ms 2284 KB Output is correct
5 Correct 275 ms 2264 KB Output is correct
6 Correct 277 ms 2220 KB Output is correct
7 Correct 277 ms 2376 KB Output is correct
8 Correct 290 ms 2532 KB Output is correct
9 Correct 294 ms 2468 KB Output is correct
10 Correct 299 ms 2448 KB Output is correct
11 Correct 311 ms 2320 KB Output is correct
12 Correct 299 ms 2380 KB Output is correct
13 Correct 292 ms 2548 KB Output is correct
14 Correct 291 ms 2444 KB Output is correct
15 Correct 298 ms 2708 KB Output is correct
16 Correct 286 ms 2388 KB Output is correct
17 Correct 290 ms 2472 KB Output is correct
18 Correct 308 ms 2264 KB Output is correct
19 Correct 472 ms 30336 KB Output is correct
20 Correct 407 ms 30012 KB Output is correct
21 Correct 390 ms 28328 KB Output is correct
22 Correct 368 ms 25756 KB Output is correct
23 Correct 356 ms 4480 KB Output is correct
24 Correct 319 ms 4552 KB Output is correct
25 Correct 417 ms 30164 KB Output is correct
26 Correct 383 ms 30080 KB Output is correct
27 Correct 436 ms 30136 KB Output is correct
28 Correct 438 ms 30208 KB Output is correct
29 Correct 379 ms 29304 KB Output is correct
30 Correct 354 ms 4548 KB Output is correct
31 Correct 410 ms 30096 KB Output is correct
32 Correct 384 ms 27732 KB Output is correct
33 Correct 311 ms 4448 KB Output is correct
34 Correct 413 ms 30060 KB Output is correct
35 Correct 369 ms 23084 KB Output is correct
36 Correct 336 ms 4520 KB Output is correct
37 Correct 316 ms 4436 KB Output is correct
38 Correct 423 ms 29892 KB Output is correct
39 Correct 367 ms 30192 KB Output is correct
40 Correct 389 ms 21028 KB Output is correct
41 Correct 543 ms 30476 KB Output is correct
42 Correct 278 ms 29516 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 275 ms 2252 KB Output is correct
2 Correct 311 ms 2428 KB Output is correct
3 Correct 301 ms 2268 KB Output is correct
4 Correct 285 ms 2284 KB Output is correct
5 Correct 275 ms 2264 KB Output is correct
6 Correct 277 ms 2220 KB Output is correct
7 Correct 277 ms 2376 KB Output is correct
8 Correct 290 ms 2532 KB Output is correct
9 Correct 294 ms 2468 KB Output is correct
10 Correct 299 ms 2448 KB Output is correct
11 Correct 311 ms 2320 KB Output is correct
12 Correct 299 ms 2380 KB Output is correct
13 Correct 292 ms 2548 KB Output is correct
14 Correct 291 ms 2444 KB Output is correct
15 Correct 298 ms 2708 KB Output is correct
16 Correct 286 ms 2388 KB Output is correct
17 Correct 290 ms 2472 KB Output is correct
18 Correct 308 ms 2264 KB Output is correct
19 Correct 284 ms 2348 KB Output is correct
20 Correct 291 ms 2240 KB Output is correct
21 Incorrect 286 ms 2408 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #4
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 275 ms 2252 KB Output is correct
2 Correct 311 ms 2428 KB Output is correct
3 Correct 301 ms 2268 KB Output is correct
4 Correct 285 ms 2284 KB Output is correct
5 Correct 275 ms 2264 KB Output is correct
6 Correct 277 ms 2220 KB Output is correct
7 Correct 277 ms 2376 KB Output is correct
8 Correct 290 ms 2532 KB Output is correct
9 Correct 294 ms 2468 KB Output is correct
10 Correct 299 ms 2448 KB Output is correct
11 Correct 311 ms 2320 KB Output is correct
12 Correct 299 ms 2380 KB Output is correct
13 Correct 292 ms 2548 KB Output is correct
14 Correct 291 ms 2444 KB Output is correct
15 Correct 298 ms 2708 KB Output is correct
16 Correct 286 ms 2388 KB Output is correct
17 Correct 290 ms 2472 KB Output is correct
18 Correct 308 ms 2264 KB Output is correct
19 Correct 472 ms 30336 KB Output is correct
20 Correct 407 ms 30012 KB Output is correct
21 Correct 390 ms 28328 KB Output is correct
22 Correct 368 ms 25756 KB Output is correct
23 Correct 356 ms 4480 KB Output is correct
24 Correct 319 ms 4552 KB Output is correct
25 Correct 417 ms 30164 KB Output is correct
26 Correct 383 ms 30080 KB Output is correct
27 Correct 436 ms 30136 KB Output is correct
28 Correct 438 ms 30208 KB Output is correct
29 Correct 379 ms 29304 KB Output is correct
30 Correct 354 ms 4548 KB Output is correct
31 Correct 410 ms 30096 KB Output is correct
32 Correct 384 ms 27732 KB Output is correct
33 Correct 311 ms 4448 KB Output is correct
34 Correct 413 ms 30060 KB Output is correct
35 Correct 369 ms 23084 KB Output is correct
36 Correct 336 ms 4520 KB Output is correct
37 Correct 316 ms 4436 KB Output is correct
38 Correct 423 ms 29892 KB Output is correct
39 Correct 367 ms 30192 KB Output is correct
40 Correct 389 ms 21028 KB Output is correct
41 Correct 543 ms 30476 KB Output is correct
42 Correct 278 ms 29516 KB Output is correct
43 Correct 284 ms 2348 KB Output is correct
44 Correct 291 ms 2240 KB Output is correct
45 Incorrect 286 ms 2408 KB Output isn't correct
46 Halted 0 ms 0 KB -