oj.uz

Submission #529588

# Submission time Handle Problem Language Result Execution time Memory
529588 2022-02-23T08:41:26 Z c28dnv9q3 Crossing (JOI21_crossing) C++17
100 / 100
 2424 ms 28068 KB 
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>

#pragma GCC optimize "O3"

#define _strfy(s) #s
#define strfy(s) _strfy(s)

#define ALPHABET "JOI"

#define MAX_N 200000
int seq_len;
char seqA[MAX_N+1], seqB[MAX_N+1], seqC[MAX_N+1];
char seqAB[MAX_N+1], seqBC[MAX_N+1], seqAC[MAX_N+1];
char seqABC[MAX_N+1], seqBCA[MAX_N+1], seqACB[MAX_N+1];
char seqT[MAX_N+1];

#define MAX_Q 200000
int num_mods;
struct mod {
    int left, right;
    char chr;
} mods[MAX_Q];
bool posbl[MAX_Q+1];

static inline void validate(const char *seq) {
    assert(strlen(seq) == seq_len);
    for(; *seq != 0; seq++) assert(*seq == ALPHABET[0] || *seq == ALPHABET[1] || *seq == ALPHABET[2]);
}

static inline void cross(const char *seq1, const char *seq2, char *seqO) {
    for(int i = 0; i < seq_len; i++) {
        if(seq1[i] == seq2[i]) seqO[i] = seq1[i];
        else if(seq1[i] == ALPHABET[1] && seq2[i] == ALPHABET[2]) seqO[i] = ALPHABET[0];
        else if(seq1[i] == ALPHABET[2] && seq2[i] == ALPHABET[1]) seqO[i] = ALPHABET[0];
        else if(seq1[i] == ALPHABET[0] && seq2[i] == ALPHABET[2]) seqO[i] = ALPHABET[1];
        else if(seq1[i] == ALPHABET[2] && seq2[i] == ALPHABET[0]) seqO[i] = ALPHABET[1];
        else if(seq1[i] == ALPHABET[0] && seq2[i] == ALPHABET[1]) seqO[i] = ALPHABET[2];
        else if(seq1[i] == ALPHABET[1] && seq2[i] == ALPHABET[0]) seqO[i] = ALPHABET[2];
        else assert(false);
    }
}

struct node {
    struct node *lchild, *rchild;
    int left, right;

    int lazy_c;

    int numA, numB, numC;
    int numM; //numMatch
} nodes[2*MAX_N], *next_node;

struct node *create_tree(const char *seq, int l = -1, int r = -1) {
    if(l < 0 && r < 0) {
        next_node = nodes;
        l = 0;
        r = seq_len;
    }

    assert(0 <= l && l < r && r <= seq_len);
    assert(next_node < nodes + 2*MAX_N);

    struct node *node = next_node++;
    node->left = l;
    node->right = r;
    node->lazy_c = -1;

    if(l == r - 1) {
        node->lchild = NULL;
        node->rchild = NULL;
        node->numA = (seq[l] == ALPHABET[0]) ? 1 : 0;
        node->numB = (seq[l] == ALPHABET[1]) ? 1 : 0;
        node->numC = (seq[l] == ALPHABET[2]) ? 1 : 0;
        node->numM = (seq[l] == seqT[l]) ? 1 : 0;
    } else {
        int m = l + (r - l) / 2;
        node->lchild = create_tree(seq, l, m);
        node->rchild = create_tree(seq, m, r);
        node->numA = node->lchild->numA + node->rchild->numA;
        node->numB = node->lchild->numB + node->rchild->numB;
        node->numC = node->lchild->numC + node->rchild->numC;
        node->numM = node->lchild->numM + node->rchild->numM;
    }

    return node;
}

void update_lazy(struct node *node) {
    if(node->lazy_c < 0) return;

    switch(node->lazy_c) {
        case(ALPHABET[0]): { node->numM = node->numA; } break;
        case(ALPHABET[1]): { node->numM = node->numB; } break;
        case(ALPHABET[2]): { node->numM = node->numC; } break;
        default: assert(false);
    }

    if(node->lchild != NULL) node->lchild->lazy_c = node->lazy_c;
    if(node->rchild != NULL) node->rchild->lazy_c = node->lazy_c;

    node->lazy_c = -1;
}

void update_tree(struct node *node, int l, int r, char c) {
    update_lazy(node);

    assert(0 <= l && l < r && r <= seq_len);
    assert(0 <= node->left && node->left < node->right && node->right <= seq_len);
    
    if(r <= node->left || node->right <= l) return;

    if(l <= node->left && node->right <= r) {
        node->lazy_c = c;
        update_lazy(node);
        return;
    }

    assert(node->lchild != NULL && node->rchild != NULL);
    update_tree(node->lchild, l, r, c);
    update_tree(node->rchild, l, r, c);
    node->numM = node->lchild->numM + node->rchild->numM;
}

void check_seq(const char *seq) {
    struct node *tree = create_tree(seq);

    for(int m = -1; m < num_mods; m++) {
        if(m >= 0) update_tree(tree, mods[m].left, mods[m].right, mods[m].chr);

        assert(0 <= tree->numM && tree->numM <= seq_len);
        posbl[m+1] = posbl[m+1] || tree->numM == seq_len;
    }
}

int main() {
    assert(scanf("%d", &seq_len) == 1);
    assert(1 <= seq_len && seq_len <= MAX_N);

    assert(scanf("%" strfy(MAX_N) "s", seqA) == 1);
    validate(seqA);
    assert(scanf("%" strfy(MAX_N) "s", seqB) == 1);
    validate(seqB);
    assert(scanf("%" strfy(MAX_N) "s", seqC) == 1);
    validate(seqC);

    cross(seqA, seqB, seqAB);
    cross(seqB, seqC, seqBC);
    cross(seqA, seqC, seqAC);

    cross(seqAB, seqC, seqABC);
    cross(seqBC, seqA, seqBCA);
    cross(seqAC, seqB, seqACB);

    assert(scanf("%d", &num_mods) == 1);
    assert(1 <= num_mods && num_mods <= MAX_Q);

    assert(scanf("%" strfy(MAX_N) "s", seqT) == 1);
    validate(seqT);

    posbl[0] = false;
    for(int m = 0; m < num_mods; m++) {
        int l, r;
        char c;
        assert(scanf("%d %d %c", &l, &r, &c) == 3);
        assert(1 <= l && l <= r && r <= seq_len);
        assert(c == ALPHABET[0] || c == ALPHABET[1] || c == ALPHABET[2]);

        mods[m].left = l-1;
        mods[m].right = r;
        mods[m].chr = c;
        posbl[m+1] = false;
    }

    check_seq(seqA);
    check_seq(seqB);
    check_seq(seqC);

    check_seq(seqAB);
    check_seq(seqBC);
    check_seq(seqAC);

    check_seq(seqABC);
    check_seq(seqBCA);
    check_seq(seqACB);

    for(int m = 0; m <= num_mods; m++) {
        if(posbl[m]) puts("Yes");
        else puts("No");
    }

    return EXIT_SUCCESS;
}

Compilation message

In file included from Main.cpp:4:
Main.cpp: In function 'void validate(const char*)':
Main.cpp:29:24: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   29 |     assert(strlen(seq) == seq_len);
      |            ~~~~~~~~~~~~^~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 377 ms 4592 KB Output is correct
2 Correct 434 ms 4920 KB Output is correct
3 Correct 406 ms 4784 KB Output is correct
4 Correct 348 ms 4780 KB Output is correct
5 Correct 286 ms 4812 KB Output is correct
6 Correct 315 ms 4680 KB Output is correct
7 Correct 303 ms 4844 KB Output is correct
8 Correct 314 ms 4924 KB Output is correct
9 Correct 340 ms 4916 KB Output is correct
10 Correct 367 ms 4916 KB Output is correct
11 Correct 338 ms 4984 KB Output is correct
12 Correct 328 ms 4972 KB Output is correct
13 Correct 336 ms 4912 KB Output is correct
14 Correct 312 ms 4912 KB Output is correct
15 Correct 351 ms 5004 KB Output is correct
16 Correct 324 ms 4920 KB Output is correct
17 Correct 335 ms 4960 KB Output is correct
18 Correct 354 ms 4816 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 377 ms 4592 KB Output is correct
2 Correct 434 ms 4920 KB Output is correct
3 Correct 406 ms 4784 KB Output is correct
4 Correct 348 ms 4780 KB Output is correct
5 Correct 286 ms 4812 KB Output is correct
6 Correct 315 ms 4680 KB Output is correct
7 Correct 303 ms 4844 KB Output is correct
8 Correct 314 ms 4924 KB Output is correct
9 Correct 340 ms 4916 KB Output is correct
10 Correct 367 ms 4916 KB Output is correct
11 Correct 338 ms 4984 KB Output is correct
12 Correct 328 ms 4972 KB Output is correct
13 Correct 336 ms 4912 KB Output is correct
14 Correct 312 ms 4912 KB Output is correct
15 Correct 351 ms 5004 KB Output is correct
16 Correct 324 ms 4920 KB Output is correct
17 Correct 335 ms 4960 KB Output is correct
18 Correct 354 ms 4816 KB Output is correct
19 Correct 2142 ms 27756 KB Output is correct
20 Correct 1586 ms 27788 KB Output is correct
21 Correct 1193 ms 26224 KB Output is correct
22 Correct 1254 ms 24040 KB Output is correct
23 Correct 610 ms 6780 KB Output is correct
24 Correct 662 ms 6764 KB Output is correct
25 Correct 1308 ms 27848 KB Output is correct
26 Correct 1380 ms 27816 KB Output is correct
27 Correct 1680 ms 27748 KB Output is correct
28 Correct 1816 ms 27744 KB Output is correct
29 Correct 1612 ms 27088 KB Output is correct
30 Correct 767 ms 6784 KB Output is correct
31 Correct 1530 ms 27740 KB Output is correct
32 Correct 1653 ms 25704 KB Output is correct
33 Correct 640 ms 6744 KB Output is correct
34 Correct 1814 ms 27736 KB Output is correct
35 Correct 1330 ms 21876 KB Output is correct
36 Correct 646 ms 6772 KB Output is correct
37 Correct 701 ms 6792 KB Output is correct
38 Correct 1385 ms 27528 KB Output is correct
39 Correct 549 ms 27796 KB Output is correct
40 Correct 1324 ms 20276 KB Output is correct
41 Correct 2424 ms 28008 KB Output is correct
42 Correct 160 ms 27232 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 377 ms 4592 KB Output is correct
2 Correct 434 ms 4920 KB Output is correct
3 Correct 406 ms 4784 KB Output is correct
4 Correct 348 ms 4780 KB Output is correct
5 Correct 286 ms 4812 KB Output is correct
6 Correct 315 ms 4680 KB Output is correct
7 Correct 303 ms 4844 KB Output is correct
8 Correct 314 ms 4924 KB Output is correct
9 Correct 340 ms 4916 KB Output is correct
10 Correct 367 ms 4916 KB Output is correct
11 Correct 338 ms 4984 KB Output is correct
12 Correct 328 ms 4972 KB Output is correct
13 Correct 336 ms 4912 KB Output is correct
14 Correct 312 ms 4912 KB Output is correct
15 Correct 351 ms 5004 KB Output is correct
16 Correct 324 ms 4920 KB Output is correct
17 Correct 335 ms 4960 KB Output is correct
18 Correct 354 ms 4816 KB Output is correct
19 Correct 432 ms 4744 KB Output is correct
20 Correct 438 ms 4788 KB Output is correct
21 Correct 345 ms 5000 KB Output is correct
22 Correct 284 ms 4476 KB Output is correct
23 Correct 324 ms 4912 KB Output is correct
24 Correct 325 ms 4804 KB Output is correct
25 Correct 338 ms 4912 KB Output is correct
26 Correct 311 ms 4796 KB Output is correct
27 Correct 315 ms 4908 KB Output is correct
28 Correct 283 ms 4540 KB Output is correct
29 Correct 347 ms 4916 KB Output is correct
30 Correct 277 ms 4616 KB Output is correct
31 Correct 370 ms 4944 KB Output is correct
32 Correct 304 ms 4880 KB Output is correct
33 Correct 375 ms 4916 KB Output is correct
34 Correct 288 ms 4676 KB Output is correct
35 Correct 345 ms 4916 KB Output is correct
36 Correct 334 ms 4908 KB Output is correct
37 Correct 340 ms 4912 KB Output is correct
38 Correct 354 ms 4968 KB Output is correct
39 Correct 317 ms 4908 KB Output is correct
40 Correct 357 ms 4952 KB Output is correct
41 Correct 319 ms 5036 KB Output is correct
42 Correct 329 ms 4992 KB Output is correct
43 Correct 326 ms 4904 KB Output is correct
44 Correct 329 ms 4900 KB Output is correct

Subtask #4
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 377 ms 4592 KB Output is correct
2 Correct 434 ms 4920 KB Output is correct
3 Correct 406 ms 4784 KB Output is correct
4 Correct 348 ms 4780 KB Output is correct
5 Correct 286 ms 4812 KB Output is correct
6 Correct 315 ms 4680 KB Output is correct
7 Correct 303 ms 4844 KB Output is correct
8 Correct 314 ms 4924 KB Output is correct
9 Correct 340 ms 4916 KB Output is correct
10 Correct 367 ms 4916 KB Output is correct
11 Correct 338 ms 4984 KB Output is correct
12 Correct 328 ms 4972 KB Output is correct
13 Correct 336 ms 4912 KB Output is correct
14 Correct 312 ms 4912 KB Output is correct
15 Correct 351 ms 5004 KB Output is correct
16 Correct 324 ms 4920 KB Output is correct
17 Correct 335 ms 4960 KB Output is correct
18 Correct 354 ms 4816 KB Output is correct
19 Correct 2142 ms 27756 KB Output is correct
20 Correct 1586 ms 27788 KB Output is correct
21 Correct 1193 ms 26224 KB Output is correct
22 Correct 1254 ms 24040 KB Output is correct
23 Correct 610 ms 6780 KB Output is correct
24 Correct 662 ms 6764 KB Output is correct
25 Correct 1308 ms 27848 KB Output is correct
26 Correct 1380 ms 27816 KB Output is correct
27 Correct 1680 ms 27748 KB Output is correct
28 Correct 1816 ms 27744 KB Output is correct
29 Correct 1612 ms 27088 KB Output is correct
30 Correct 767 ms 6784 KB Output is correct
31 Correct 1530 ms 27740 KB Output is correct
32 Correct 1653 ms 25704 KB Output is correct
33 Correct 640 ms 6744 KB Output is correct
34 Correct 1814 ms 27736 KB Output is correct
35 Correct 1330 ms 21876 KB Output is correct
36 Correct 646 ms 6772 KB Output is correct
37 Correct 701 ms 6792 KB Output is correct
38 Correct 1385 ms 27528 KB Output is correct
39 Correct 549 ms 27796 KB Output is correct
40 Correct 1324 ms 20276 KB Output is correct
41 Correct 2424 ms 28008 KB Output is correct
42 Correct 160 ms 27232 KB Output is correct
43 Correct 432 ms 4744 KB Output is correct
44 Correct 438 ms 4788 KB Output is correct
45 Correct 345 ms 5000 KB Output is correct
46 Correct 284 ms 4476 KB Output is correct
47 Correct 324 ms 4912 KB Output is correct
48 Correct 325 ms 4804 KB Output is correct
49 Correct 338 ms 4912 KB Output is correct
50 Correct 311 ms 4796 KB Output is correct
51 Correct 315 ms 4908 KB Output is correct
52 Correct 283 ms 4540 KB Output is correct
53 Correct 347 ms 4916 KB Output is correct
54 Correct 277 ms 4616 KB Output is correct
55 Correct 370 ms 4944 KB Output is correct
56 Correct 304 ms 4880 KB Output is correct
57 Correct 375 ms 4916 KB Output is correct
58 Correct 288 ms 4676 KB Output is correct
59 Correct 345 ms 4916 KB Output is correct
60 Correct 334 ms 4908 KB Output is correct
61 Correct 340 ms 4912 KB Output is correct
62 Correct 354 ms 4968 KB Output is correct
63 Correct 317 ms 4908 KB Output is correct
64 Correct 357 ms 4952 KB Output is correct
65 Correct 319 ms 5036 KB Output is correct
66 Correct 329 ms 4992 KB Output is correct
67 Correct 326 ms 4904 KB Output is correct
68 Correct 329 ms 4900 KB Output is correct
69 Correct 1842 ms 23772 KB Output is correct
70 Correct 1657 ms 27660 KB Output is correct
71 Correct 650 ms 6852 KB Output is correct
72 Correct 676 ms 6800 KB Output is correct
73 Correct 626 ms 6852 KB Output is correct
74 Correct 1173 ms 23772 KB Output is correct
75 Correct 635 ms 6752 KB Output is correct
76 Correct 1316 ms 27836 KB Output is correct
77 Correct 1248 ms 23976 KB Output is correct
78 Correct 612 ms 6764 KB Output is correct
79 Correct 630 ms 6784 KB Output is correct
80 Correct 1089 ms 21116 KB Output is correct
81 Correct 624 ms 6744 KB Output is correct
82 Correct 1406 ms 27748 KB Output is correct
83 Correct 1298 ms 26384 KB Output is correct
84 Correct 628 ms 6756 KB Output is correct
85 Correct 642 ms 6744 KB Output is correct
86 Correct 1555 ms 22224 KB Output is correct
87 Correct 1789 ms 27736 KB Output is correct
88 Correct 800 ms 6776 KB Output is correct
89 Correct 1510 ms 24840 KB Output is correct
90 Correct 1618 ms 27844 KB Output is correct
91 Correct 716 ms 6760 KB Output is correct
92 Correct 1181 ms 22140 KB Output is correct
93 Correct 633 ms 6804 KB Output is correct
94 Correct 653 ms 6776 KB Output is correct
95 Correct 643 ms 6784 KB Output is correct
96 Correct 1317 ms 27524 KB Output is correct
97 Correct 518 ms 27844 KB Output is correct
98 Correct 1264 ms 20272 KB Output is correct
99 Correct 2250 ms 28068 KB Output is correct
100 Correct 112 ms 27288 KB Output is correct