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 |
|---|---|---|---|---|---|---|---|---|---|
| #215024 | #2037. a | wujiachen | 0 | 10ms | 1316kb | C++ | 1.1kb | 2024-11-25 20:05:43 | 2024-11-25 23:08:00 |
answer
#include<bits/stdc++.h>
using namespace std;
int a[1000005];
int ll[1000005],rr[1000005];
bool ll1[1000005],rr1[1000005];
stack<int> st;
int main(){
string s;
cin>>s;
int cnt=0;
for(int i=0;i<s.size();i++){
if(s[i]=='('){
cnt++;
st.push(i+1);
}
else if(cnt){
cnt--;
ll1[st.top()]=1;
st.pop();
ll[i+1]+=2;
}
ll[i+1]+=ll[i];
}
while(st.size()){
st.pop();
}
cnt=0;
for(int i=s.size()-1;i>=0;i--){
if(s[i]==')'){
cnt++;
st.push(i+1);
}
else if(cnt){
cnt--;
rr1[st.top()]=1;
st.pop();
rr[i+1]+=2;
}
rr[i+1]+=rr[i+2];
}
int n;
cin>>n;
for(int i=1;i<=n;i++){
int l,r,ans=0;
scanf("%d%d",&l,&r);
ans=ll[s.size()]-ll[l-1]-rr[r+1];
if(l!=1&&ll1[l-1]){
if(s[l-2]=='(')ans-=2;
}
if(r!=s.size()&&rr1[r+1]){
if(s[r]==')')ans-=2;
}
cout<<ans<<endl;
}
}
详细
小提示：点击横条可展开更详细的信息
Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 1316kb
input:
(()))())))(())()())()()))((((()()))((((()((())()))(()((((()(())(())(()))())()())()())(())(()()((((((...
output:
862 182 116 24 850 252 594 330 568 322 282 398 830 530 224 330 574 558 498 112 186 64 852 318 374 32...
result:
wrong answer 1st lines differ - expected: '854', found: '862'
Test #2:
score: 0
Wrong Answer
time: 3ms
memory: 1312kb
input:
)))((()())((())((()()())())(((())())((()((())(())()((((((())))((()(()())))(()()(())())()))(()()))(((...
output:
44 30 116 392 280 168 388 84 456 122 608 464 124 84 350 266 342 32 170 216 324 72 382 486 90 484 62 ...
result:
wrong answer 1st lines differ - expected: '30', found: '44'
Test #3:
score: 0
Wrong Answer
time: 2ms
memory: 1316kb
input:
(()((())))))))((())(()()))()))()()())(()))(())))))))(((())((((((((((()((()())()(()(())(()())(()))(((...
output:
724 242 100 228 258 312 424 794 236 232 224 628 458 336 294 424 294 526 168 500 244 738 288 242 828 ...
result:
wrong answer 1st lines differ - expected: '674', found: '724'
Test #4:
score: 0
Wrong Answer
time: 0ms
memory: 1312kb
input:
))))))))()))())()(()()())()())(((()())(((()(((()()))(()()()))())(()()(()()())()(())()())))))()((((()...
output:
202 396 264 426 562 356 90 526 746 316 230 422 86 478 428 230 198 626 220 166 934 452 554 74 120 458...
result:
wrong answer 1st lines differ - expected: '168', found: '202'
Test #5:
score: 0
Wrong Answer
time: 5ms
memory: 1312kb
input:
((())))(()((()()))()))))((((()()()()()()()))()()(()(())(()((()))()((())))))()(((()())()))()())))(())...
output:
644 398 362 8 270 382 236 430 276 174 260 466 328 132 538 144 606 798 126 160 74 472 264 172 28 330 ...
result:
wrong answer 1st lines differ - expected: '634', found: '644'
Test #6:
score: 0
Wrong Answer
time: 0ms
memory: 1312kb
input:
))((()))()(())())(()()))))()()((((()()())()((())(())))))(())))()())()()(())()(())())(()())))(()()))(...
output:
732 252 600 218 794 180 298 220 38 688 284 274 660 348 822 482 426 740 116 174 418 466 172 22 306 77...
result:
wrong answer 1st lines differ - expected: '728', found: '732'
Test #7:
score: 0
Time Limit Exceeded
input:
((((()))()()())(()))((()())(((())))(()((()))))))()()))()))((((()(()(()()()(()(())(()())))(((()())))(...
output:
143186 236826 447120 759794 135124 749474 84010 686388 32606 573012 367196 68234 19004 604358 946622...
result:
Test #8:
score: 0
Time Limit Exceeded
input:
())))()))))(()))()())(()(()))((()))))(()))((())()((()(()()((())(())()))(()))))())(((()(())()(())()()...
output:
583834 426134 255526 448890 201186 257882 168294 115834 55738 440604 138656 880312 580636 453458 991...
result:
Test #9:
score: 0
Time Limit Exceeded
input:
)()((()())(())())(()())))(((()())()()(((((()(()()(()(())(()())((()(((()()))()))))()(((())(((((()()()...
output:
48130 241610 324408 554802 111986 21414 52140 170140 82718 124964 108086 804884 123680 274590 136340...
result:
Test #10:
score: 0
Time Limit Exceeded
input:
())()()(()())))())())))))))(()((()()(((()))(()(())))(())))())(()((()))()))(()))()((((((())(())(())((...
output:
489608 427038 421228 177692 495202 783244 64140 27950 111520 309178 355656 304218 698834 3286 145744...
