NOI.AC
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #192658 | #2037. a | tkswls | 100 | 4206ms | 43220kb | C++ | 1.2kb | 2023-10-10 09:05:28 | 2023-10-10 12:10:48 |
answer
#include<bits/stdc++.h>
using namespace std;
string s;
int m, n;
struct node {
int l, r, num1, num2, num3;
inline node operator + (const node& p)const {
node q;
q.l = l, q.r = p.r;
q.num3 = num3 + p.num3;
q.num1 = p.num1;
q.num2 = num2;
if (num1 > p.num2) {
q.num3 += p.num2 * 2;
q.num1 += num1 - p.num2;
} else {
q.num3 += num1 * 2;
q.num2 += p.num2 - num1;
}
return q;
}
} b[4000006];
inline void build(int p, int l, int r) {
b[p].l = l, b[p].r = r;
if (l == r) {
b[p].num3 = 0;
b[p].num1 = (s[l] == '(');
b[p].num2 = (s[l] == ')');
return;
}
build(2 * p, l, (l + r) >> 1);
build(2 * p + 1, ((l + r) >> 1) + 1, r);
b[p] = b[2 * p] + b[2 * p + 1];
}
inline node query(int p, int l, int r) {
if (b[p].l >= l && b[p].r <= r) return b[p];
int mid = (b[p].l + b[p].r) >> 1;
if (r <= mid) return query(2 * p, l, r);
else if (l > mid) return query(2 * p + 1, l, r);
return query(2 * p, l, mid) + query(2 * p + 1, mid + 1, r);
}
signed main() {
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> s;
n = s.size();
s = ' ' + s;
build(1, 1, n);
cin >> m;
for (int i = 1; i <= m; i++) {
int p, q;
cin >> p >> q;
cout << query(1, p, q).num3 << "\n";
}
}
详细
小提示：点击横条可展开更详细的信息
Test #1:
score: 10
Accepted
time: 0ms
memory: 1324kb
input:
(()))())))(())()())()()))((((()()))((((()((())()))(()((((()(())(())(()))())()())()())(())(()()((((((...
output:
854 136 108 12 836 206 550 252 536 266 220 344 830 502 170 290 522 526 464 98 160 10 840 298 332 272...
result:
ok 1000 lines
Test #2:
score: 10
Accepted
time: 0ms
memory: 1320kb
input:
)))((()())((())((()()())())(((())())((()((())(())()((((((())))((()(()())))(()()(())())()))(()()))(((...
output:
30 22 96 382 252 154 386 56 434 102 590 456 114 56 346 252 324 12 138 184 320 52 380 470 64 476 40 4...
result:
ok 1000 lines
Test #3:
score: 10
Accepted
time: 0ms
memory: 1320kb
input:
(()((())))))))((())(()()))()))()()())(()))(())))))))(((())((((((((((()((()())()(()(())(()())(()))(((...
output:
674 192 100 168 206 244 378 746 184 196 196 602 414 302 224 358 232 482 154 448 168 704 232 232 810 ...
result:
ok 1000 lines
Test #4:
score: 10
Accepted
time: 0ms
memory: 1324kb
input:
))))))))()))())()(()()())()())(((()())(((()(((()()))(()()()))())(()()(()()())()(())()())))))()((((()...
output:
168 378 240 380 548 324 54 492 724 276 184 398 66 452 404 192 192 594 192 128 918 424 516 46 108 430...
result:
ok 1000 lines
Test #5:
score: 10
Accepted
time: 0ms
memory: 1324kb
input:
((())))(()((()()))()))))((((()()()()()()()))()()(()(())(()((()))()((())))))()(((()())()))()())))(())...
output:
634 386 334 6 246 372 226 424 274 168 254 448 312 112 532 126 594 780 112 150 68 470 260 150 22 322 ...
result:
ok 1000 lines
Test #6:
score: 10
Accepted
time: 1ms
memory: 1324kb
input:
))((()))()(())())(()()))))()()((((()()())()((())(())))))(())))()())()()(())()(())())(()())))(()()))(...
output:
728 224 580 200 784 152 280 194 0 664 278 260 630 328 816 470 388 736 82 132 406 440 140 12 276 776 ...
result:
ok 1000 lines
Test #7:
score: 10
Accepted
time: 1040ms
memory: 43220kb
input:
((((()))()()())(()))((()())(((())))(()((()))))))()()))()))((((()(()(()()()(()(())(()())))(((()())))(...
output:
142860 235344 446706 759772 134088 748980 83870 685562 31730 572204 366368 67746 18554 603330 946486...
result:
ok 1000000 lines
Test #8:
score: 10
Accepted
time: 1058ms
memory: 43216kb
input:
())))()))))(()))()())(()(()))((()))))(()))((())()((()(()()((())(())()))(()))))())(((()(())()(())()()...
output:
583148 425884 255036 448502 200322 256890 167684 114904 55236 440164 138094 879918 580038 452166 984...
result:
ok 1000000 lines
Test #9:
score: 10
Accepted
time: 1061ms
memory: 43220kb
input:
)()((()())(())())(()())))(((()())()()(((((()(()()(()(())(()())((()(((()()))()))))()(((())(((((()()()...
output:
47942 241400 323510 553980 111490 20570 51892 169422 82080 124416 107806 804528 123414 274334 135650...
result:
ok 1000000 lines
Test #10:
score: 10
Accepted
time: 1046ms
memory: 43220kb
input:
())()()(()())))())())))))))(()((()()(((()))(()(())))(())))())(()((()))()))(()))()((((((())(())(())((...
output:
487878 425694 419984 176404 493462 782462 63276 27548 109942 308166 354282 302574 697816 3128 144748...
result:
ok 1000000 lines
