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 |
|---|---|---|---|---|---|---|---|---|---|
| #214976 | #2037. a | Filberte | 100 | 4281ms | 49044kb | C++11 | 1.2kb | 2024-11-25 18:50:11 | 2024-11-25 23:00:33 |
answer
#include <bits/stdc++.h>
using namespace std;
const int N = 1e6 + 100;
int n, q;
struct Nod{
int a, b, val;
Nod(){a = b = val = 0;}
Nod(int _a, int _b, int _val){a = _a, b = _b, val = _val;}
friend Nod operator + (Nod x, Nod y){
int nw = min(x.b, y.a);
Nod res;
res.val = x.val + y.val + 2 * nw;
res.a = x.a + y.a - nw;
res.b = x.b + y.b - nw;
return res;
}
}t[N << 2];
char s[N];
void build(int u, int l, int r){
if(l == r){
if(s[l] == '(') t[u] = {0, 1, 0};
else t[u] = {1, 0, 0};
return ;
}
int mid = (l + r) >> 1;
build(u << 1, l, mid);
build(u << 1 | 1, mid + 1, r);
t[u] = t[u << 1] + t[u << 1 | 1];
}
Nod query(int u, int l, int r, int L, int R){
if(L <= l && r <= R) return t[u];
int mid = (l + r) >> 1;
if(R <= mid) return query(u << 1, l, mid, L, R);
if(L > mid) return query(u << 1 | 1, mid + 1, r, L, R);
return query(u << 1, l, mid, L, R) + query(u << 1 | 1, mid + 1, r, L, R);
}
int main(){
scanf("%s",s + 1);n = strlen(s + 1);
build(1, 1, n);
scanf("%d",&q);
while(q--){
int x, y;scanf("%d%d",&x,&y);
printf("%d\n",query(1, 1, n, x, y).val);
}
}
详细
小提示：点击横条可展开更详细的信息
Test #1:
score: 10
Accepted
time: 9ms
memory: 48068kb
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: 15ms
memory: 48072kb
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: 4ms
memory: 48068kb
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: 48072kb
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: 4ms
memory: 48068kb
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: 8ms
memory: 48068kb
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: 1013ms
memory: 49044kb
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: 1080ms
memory: 49044kb
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: 1088ms
memory: 49040kb
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: 1060ms
memory: 49044kb
input:
())()()(()())))())())))))))(()((()()(((()))(()(())))(())))())(()((()))()))(()))()((((((())(())(())((...
output:
487878 425694 419984 176404 493462 782462 63276 27548 109942 308166 354282 302574 697816 3128 144748...
result:
ok 1000000 lines
