#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
class Node {
public:
bool stequal = false;
bool jequal = false;
bool oequal = false;
bool iequal = false;
};
class IsEqual {
private:
string s;
string t;
int n;
vector<Node> tree;
vector<char> lazy;
void build(int v, int tl, int tr) {
if (tl == tr) {
tree[v].stequal = (s[tl] == t[tl]);
tree[v].jequal = (s[tl] == 'J');
tree[v].oequal = (s[tl] == 'O');
tree[v].iequal = (s[tl] == 'I');
} else {
int tm = (tl + tr) / 2;
build(2 * v, tl, tm);
build(2 * v + 1, tm + 1, tr);
tree[v].stequal = tree[2 * v].stequal & tree[2 * v + 1].stequal;
tree[v].jequal = tree[2 * v].jequal & tree[2 * v + 1].jequal;
tree[v].oequal = tree[2 * v].oequal & tree[2 * v + 1].oequal;
tree[v].iequal = tree[2 * v].iequal & tree[2 * v + 1].iequal;
}
}
void modify(int v, int tl, int tr, int l, int r, char ch) {
if (lazy[v] != 'X') {
if (lazy[v] == 'J') {
tree[v].stequal = tree[v].jequal;
} else {
if (lazy[v] == 'O') {
tree[v].stequal = tree[v].oequal;
} else {
tree[v].stequal = tree[v].iequal;
}
}
if (tl < tr) {
lazy[2 * v] = lazy[2 * v + 1] = lazy[v];
}
lazy[v] = 'X';
}
if (tr < l || r < tl) {
return;
}
if (l <= tl && tr <= r) {
lazy[v] = ch;
if (lazy[v] == 'J') {
tree[v].stequal = tree[v].jequal;
} else {
if (lazy[v] == 'O') {
tree[v].stequal = tree[v].oequal;
} else {
tree[v].stequal = tree[v].iequal;
}
}
if (tl < tr) {
lazy[2 * v] = lazy[2 * v + 1] = lazy[v];
}
lazy[v] = 'X';
} else {
int tm = (tl + tr) / 2;
modify(2 * v, tl, tm, l, r, ch);
modify(2 * v + 1, tm + 1, tr, l, r, ch);
tree[v].stequal = tree[2 * v].stequal & tree[2 * v + 1].stequal;
}
}
public:
IsEqual(string s, string t) : s(s), t(t), n((int) s.size()), tree(4 * ((int) s.size() + 7)), lazy(4 * ((int) s.size()), 'X') {
build(1, 0, n - 1);
}
void modify(int l, int r, char ch) {
l--;
r--;
modify(1, 0, n - 1, l, r, ch);
}
bool isEqual() {
return tree[1].stequal;
}
};
string operator + (string s, string t) {
for (int i = 0; i < (int) s.size(); i++) {
if (s[i] != t[i]) {
int x = 'J' + 'O' + 'I' - s[i] - t[i];
s[i] = x;
}
}
return s;
}
signed main() {
ios::sync_with_stdio(0); cin.tie(0);
int n, q;
string a, b, c, t;
vector<IsEqual> all;
cin >> n >> a >> b >> c >> q >> t;
all.push_back({a, t});
all.push_back({b, t});
all.push_back({c, t});
all.push_back({a + b, t});
all.push_back({b + c, t});
all.push_back({c + a, t});
all.push_back({a + (b + c), t});
all.push_back({b + (c + a), t});
all.push_back({c + (a + b), t});
function <string()> solve = [&] () {
bool ok = false;
for (auto &x : all) {
ok |= x.isEqual();
}
if (ok) {
return "Yes";
} else {
return "No";
}
};
cout << solve() << "\n";
while (q--) {
int l, r;
string ch;
cin >> l >> r >> ch;
for (auto& x : all) {
x.modify(l, r, ch[0]);
}
cout << solve() << "\n";
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
327 ms |
924 KB |
Output is correct |
2 |
Correct |
385 ms |
812 KB |
Output is correct |
3 |
Correct |
450 ms |
892 KB |
Output is correct |
4 |
Correct |
276 ms |
800 KB |
Output is correct |
5 |
Correct |
275 ms |
856 KB |
Output is correct |
6 |
Correct |
274 ms |
868 KB |
Output is correct |
7 |
Correct |
280 ms |
964 KB |
Output is correct |
8 |
Correct |
297 ms |
900 KB |
Output is correct |
9 |
Correct |
298 ms |
940 KB |
Output is correct |
10 |
Correct |
301 ms |
956 KB |
Output is correct |
11 |
Correct |
308 ms |
908 KB |
Output is correct |
12 |
Correct |
307 ms |
1224 KB |
Output is correct |
13 |
Correct |
308 ms |
848 KB |
Output is correct |
14 |
Correct |
298 ms |
964 KB |
Output is correct |
15 |
Correct |
306 ms |
872 KB |
Output is correct |
16 |
Correct |
301 ms |
860 KB |
Output is correct |
17 |
Correct |
301 ms |
848 KB |
Output is correct |
18 |
Correct |
403 ms |
976 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
327 ms |
924 KB |
Output is correct |
2 |
Correct |
385 ms |
812 KB |
Output is correct |
3 |
Correct |
450 ms |
892 KB |
Output is correct |
4 |
Correct |
276 ms |
800 KB |
Output is correct |
5 |
Correct |
275 ms |
856 KB |
Output is correct |
6 |
Correct |
274 ms |
868 KB |
Output is correct |
7 |
Correct |
280 ms |
964 KB |
Output is correct |
8 |
Correct |
297 ms |
900 KB |
Output is correct |
9 |
Correct |
298 ms |
940 KB |
Output is correct |
10 |
Correct |
301 ms |
956 KB |
Output is correct |
11 |
Correct |
308 ms |
908 KB |
Output is correct |
12 |
Correct |
307 ms |
1224 KB |
Output is correct |
13 |
Correct |
308 ms |
848 KB |
Output is correct |
14 |
Correct |
298 ms |
964 KB |
Output is correct |
15 |
Correct |
306 ms |
872 KB |
Output is correct |
16 |
Correct |
301 ms |
860 KB |
Output is correct |
17 |
Correct |
301 ms |
848 KB |
Output is correct |
18 |
Correct |
403 ms |
976 KB |
Output is correct |
19 |
Correct |
1876 ms |
41304 KB |
Output is correct |
20 |
Correct |
1724 ms |
41276 KB |
Output is correct |
21 |
Correct |
996 ms |
38864 KB |
Output is correct |
22 |
Correct |
1025 ms |
35140 KB |
Output is correct |
23 |
Correct |
573 ms |
3012 KB |
Output is correct |
24 |
Correct |
572 ms |
2956 KB |
Output is correct |
25 |
Correct |
1063 ms |
41360 KB |
Output is correct |
26 |
Correct |
1110 ms |
41388 KB |
Output is correct |
27 |
Correct |
1375 ms |
41376 KB |
Output is correct |
28 |
Correct |
1360 ms |
41304 KB |
Output is correct |
29 |
Correct |
1335 ms |
40168 KB |
Output is correct |
30 |
Correct |
650 ms |
3112 KB |
Output is correct |
31 |
Correct |
1339 ms |
41220 KB |
Output is correct |
32 |
Correct |
1337 ms |
37636 KB |
Output is correct |
33 |
Correct |
574 ms |
2916 KB |
Output is correct |
34 |
Correct |
1376 ms |
41260 KB |
Output is correct |
35 |
Correct |
897 ms |
30892 KB |
Output is correct |
36 |
Correct |
578 ms |
2924 KB |
Output is correct |
37 |
Correct |
542 ms |
3032 KB |
Output is correct |
38 |
Correct |
1461 ms |
41324 KB |
Output is correct |
39 |
Correct |
630 ms |
41380 KB |
Output is correct |
40 |
Correct |
946 ms |
27396 KB |
Output is correct |
41 |
Correct |
2088 ms |
41644 KB |
Output is correct |
42 |
Correct |
119 ms |
41420 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
327 ms |
924 KB |
Output is correct |
2 |
Correct |
385 ms |
812 KB |
Output is correct |
3 |
Correct |
450 ms |
892 KB |
Output is correct |
4 |
Correct |
276 ms |
800 KB |
Output is correct |
5 |
Correct |
275 ms |
856 KB |
Output is correct |
6 |
Correct |
274 ms |
868 KB |
Output is correct |
7 |
Correct |
280 ms |
964 KB |
Output is correct |
8 |
Correct |
297 ms |
900 KB |
Output is correct |
9 |
Correct |
298 ms |
940 KB |
Output is correct |
10 |
Correct |
301 ms |
956 KB |
Output is correct |
11 |
Correct |
308 ms |
908 KB |
Output is correct |
12 |
Correct |
307 ms |
1224 KB |
Output is correct |
13 |
Correct |
308 ms |
848 KB |
Output is correct |
14 |
Correct |
298 ms |
964 KB |
Output is correct |
15 |
Correct |
306 ms |
872 KB |
Output is correct |
16 |
Correct |
301 ms |
860 KB |
Output is correct |
17 |
Correct |
301 ms |
848 KB |
Output is correct |
18 |
Correct |
403 ms |
976 KB |
Output is correct |
19 |
Correct |
367 ms |
876 KB |
Output is correct |
20 |
Correct |
460 ms |
892 KB |
Output is correct |
21 |
Correct |
295 ms |
828 KB |
Output is correct |
22 |
Correct |
264 ms |
760 KB |
Output is correct |
23 |
Correct |
304 ms |
880 KB |
Output is correct |
24 |
Correct |
282 ms |
876 KB |
Output is correct |
25 |
Correct |
305 ms |
916 KB |
Output is correct |
26 |
Correct |
272 ms |
880 KB |
Output is correct |
27 |
Correct |
294 ms |
896 KB |
Output is correct |
28 |
Correct |
270 ms |
1004 KB |
Output is correct |
29 |
Correct |
298 ms |
804 KB |
Output is correct |
30 |
Correct |
260 ms |
848 KB |
Output is correct |
31 |
Correct |
297 ms |
836 KB |
Output is correct |
32 |
Correct |
291 ms |
836 KB |
Output is correct |
33 |
Correct |
312 ms |
896 KB |
Output is correct |
34 |
Correct |
265 ms |
868 KB |
Output is correct |
35 |
Correct |
305 ms |
924 KB |
Output is correct |
36 |
Correct |
307 ms |
972 KB |
Output is correct |
37 |
Correct |
300 ms |
884 KB |
Output is correct |
38 |
Correct |
304 ms |
980 KB |
Output is correct |
39 |
Correct |
297 ms |
836 KB |
Output is correct |
40 |
Correct |
302 ms |
860 KB |
Output is correct |
41 |
Correct |
300 ms |
908 KB |
Output is correct |
42 |
Correct |
311 ms |
892 KB |
Output is correct |
43 |
Correct |
279 ms |
892 KB |
Output is correct |
44 |
Correct |
303 ms |
1092 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
327 ms |
924 KB |
Output is correct |
2 |
Correct |
385 ms |
812 KB |
Output is correct |
3 |
Correct |
450 ms |
892 KB |
Output is correct |
4 |
Correct |
276 ms |
800 KB |
Output is correct |
5 |
Correct |
275 ms |
856 KB |
Output is correct |
6 |
Correct |
274 ms |
868 KB |
Output is correct |
7 |
Correct |
280 ms |
964 KB |
Output is correct |
8 |
Correct |
297 ms |
900 KB |
Output is correct |
9 |
Correct |
298 ms |
940 KB |
Output is correct |
10 |
Correct |
301 ms |
956 KB |
Output is correct |
11 |
Correct |
308 ms |
908 KB |
Output is correct |
12 |
Correct |
307 ms |
1224 KB |
Output is correct |
13 |
Correct |
308 ms |
848 KB |
Output is correct |
14 |
Correct |
298 ms |
964 KB |
Output is correct |
15 |
Correct |
306 ms |
872 KB |
Output is correct |
16 |
Correct |
301 ms |
860 KB |
Output is correct |
17 |
Correct |
301 ms |
848 KB |
Output is correct |
18 |
Correct |
403 ms |
976 KB |
Output is correct |
19 |
Correct |
1876 ms |
41304 KB |
Output is correct |
20 |
Correct |
1724 ms |
41276 KB |
Output is correct |
21 |
Correct |
996 ms |
38864 KB |
Output is correct |
22 |
Correct |
1025 ms |
35140 KB |
Output is correct |
23 |
Correct |
573 ms |
3012 KB |
Output is correct |
24 |
Correct |
572 ms |
2956 KB |
Output is correct |
25 |
Correct |
1063 ms |
41360 KB |
Output is correct |
26 |
Correct |
1110 ms |
41388 KB |
Output is correct |
27 |
Correct |
1375 ms |
41376 KB |
Output is correct |
28 |
Correct |
1360 ms |
41304 KB |
Output is correct |
29 |
Correct |
1335 ms |
40168 KB |
Output is correct |
30 |
Correct |
650 ms |
3112 KB |
Output is correct |
31 |
Correct |
1339 ms |
41220 KB |
Output is correct |
32 |
Correct |
1337 ms |
37636 KB |
Output is correct |
33 |
Correct |
574 ms |
2916 KB |
Output is correct |
34 |
Correct |
1376 ms |
41260 KB |
Output is correct |
35 |
Correct |
897 ms |
30892 KB |
Output is correct |
36 |
Correct |
578 ms |
2924 KB |
Output is correct |
37 |
Correct |
542 ms |
3032 KB |
Output is correct |
38 |
Correct |
1461 ms |
41324 KB |
Output is correct |
39 |
Correct |
630 ms |
41380 KB |
Output is correct |
40 |
Correct |
946 ms |
27396 KB |
Output is correct |
41 |
Correct |
2088 ms |
41644 KB |
Output is correct |
42 |
Correct |
119 ms |
41420 KB |
Output is correct |
43 |
Correct |
367 ms |
876 KB |
Output is correct |
44 |
Correct |
460 ms |
892 KB |
Output is correct |
45 |
Correct |
295 ms |
828 KB |
Output is correct |
46 |
Correct |
264 ms |
760 KB |
Output is correct |
47 |
Correct |
304 ms |
880 KB |
Output is correct |
48 |
Correct |
282 ms |
876 KB |
Output is correct |
49 |
Correct |
305 ms |
916 KB |
Output is correct |
50 |
Correct |
272 ms |
880 KB |
Output is correct |
51 |
Correct |
294 ms |
896 KB |
Output is correct |
52 |
Correct |
270 ms |
1004 KB |
Output is correct |
53 |
Correct |
298 ms |
804 KB |
Output is correct |
54 |
Correct |
260 ms |
848 KB |
Output is correct |
55 |
Correct |
297 ms |
836 KB |
Output is correct |
56 |
Correct |
291 ms |
836 KB |
Output is correct |
57 |
Correct |
312 ms |
896 KB |
Output is correct |
58 |
Correct |
265 ms |
868 KB |
Output is correct |
59 |
Correct |
305 ms |
924 KB |
Output is correct |
60 |
Correct |
307 ms |
972 KB |
Output is correct |
61 |
Correct |
300 ms |
884 KB |
Output is correct |
62 |
Correct |
304 ms |
980 KB |
Output is correct |
63 |
Correct |
297 ms |
836 KB |
Output is correct |
64 |
Correct |
302 ms |
860 KB |
Output is correct |
65 |
Correct |
300 ms |
908 KB |
Output is correct |
66 |
Correct |
311 ms |
892 KB |
Output is correct |
67 |
Correct |
279 ms |
892 KB |
Output is correct |
68 |
Correct |
303 ms |
1092 KB |
Output is correct |
69 |
Correct |
1576 ms |
34644 KB |
Output is correct |
70 |
Correct |
1789 ms |
41372 KB |
Output is correct |
71 |
Correct |
563 ms |
2968 KB |
Output is correct |
72 |
Correct |
566 ms |
2948 KB |
Output is correct |
73 |
Correct |
588 ms |
3148 KB |
Output is correct |
74 |
Correct |
988 ms |
34664 KB |
Output is correct |
75 |
Correct |
544 ms |
3056 KB |
Output is correct |
76 |
Correct |
1074 ms |
41200 KB |
Output is correct |
77 |
Correct |
1030 ms |
34604 KB |
Output is correct |
78 |
Correct |
587 ms |
2932 KB |
Output is correct |
79 |
Correct |
557 ms |
3056 KB |
Output is correct |
80 |
Correct |
959 ms |
29464 KB |
Output is correct |
81 |
Correct |
565 ms |
2924 KB |
Output is correct |
82 |
Correct |
1119 ms |
41244 KB |
Output is correct |
83 |
Correct |
1129 ms |
38764 KB |
Output is correct |
84 |
Correct |
568 ms |
2856 KB |
Output is correct |
85 |
Correct |
571 ms |
2964 KB |
Output is correct |
86 |
Correct |
1256 ms |
31524 KB |
Output is correct |
87 |
Correct |
1334 ms |
41388 KB |
Output is correct |
88 |
Correct |
646 ms |
2992 KB |
Output is correct |
89 |
Correct |
1168 ms |
36624 KB |
Output is correct |
90 |
Correct |
1258 ms |
41336 KB |
Output is correct |
91 |
Correct |
642 ms |
3060 KB |
Output is correct |
92 |
Correct |
915 ms |
31204 KB |
Output is correct |
93 |
Correct |
588 ms |
3124 KB |
Output is correct |
94 |
Correct |
554 ms |
2904 KB |
Output is correct |
95 |
Correct |
585 ms |
2980 KB |
Output is correct |
96 |
Correct |
1486 ms |
41448 KB |
Output is correct |
97 |
Correct |
640 ms |
41460 KB |
Output is correct |
98 |
Correct |
962 ms |
27600 KB |
Output is correct |
99 |
Correct |
2045 ms |
41496 KB |
Output is correct |
100 |
Correct |
132 ms |
41424 KB |
Output is correct |