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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#177228#7106. Infinite Parenthesis Sequence275307894aRE 1ms8120kbC++141.8kb2023-09-12 18:19:472023-09-12 18:19:47

Judging History

你现在查看的是最新测评结果

  • [2023-09-12 18:19:47]
  • 评测
  • 测评结果:RE
  • 用时:1ms
  • 内存:8120kb
  • [2023-09-12 18:19:47]
  • 提交

answer

#include<bits/stdc++.h>
#define Gc() getchar() 
#define Me(x,y) memset(x,y,sizeof(x))
#define Mc(x,y) memcpy(x,y,sizeof(x))
#define d(x,y) ((m)*(x-1)+(y))
#define R(n) (rnd()%(n)+1)
#define Pc(x) putchar(x)
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
using namespace std;using ll=long long;using db=double;using lb=long db;using ui=unsigned;using ull=unsigned long long;using pii=pair<int,int>;using LL=__int128;
const int N=2e5+5,M=N*20+5,K=600+5,mod=998244353,Mod=mod-1;const db eps=1e-9;const ll INF=1e18+7;mt19937 rnd(time(0));
int n,A[N],Sum[N],pl[N],ph;char s[N];
int st[20][N];
int qst(int x,int y){int d=__lg(y-x+1);return min(st[d][x],st[d][y-(1<<d)+1]);}
int calc(int x,int k){
	int ans=0,y=x/(ph/2);
	ans=y*n;
	x-=y*(ph/2);
	while(x<=0) x+=ph/2,ans-=n;
	return ans+qst(x,min(ph,x+k))+k+2*x;
}
int qry(int x,int k){
	int l=-1e9-1,r=1e9+1,mid;
	while(l+1<r) mid=l+r>>1,(calc(mid,k)<=x?l:r)=mid;
	return l;
}
void Solve(){
	int i,j;scanf("%s",s+1);n=strlen(s+1);
	for(i=1;i<=n;i++) A[i]=(s[i]^')'?1:0);
	int Ct=0;for(i=1;i<=n;i++) Ct+=A[i];
	int flag=0;if(Ct*2>n){for(i=1;i<=n;i++) A[i]^=1;reverse(A+1,A+n+1);flag=1;}
	for(i=n+1;i<=2*n;i++) A[i]=A[i-n];
	ph=0;for(i=1;i<=2*n;i++) if(A[i]) pl[++ph]=i;
	for(i=1;i<=2*n;i++) Sum[i]=Sum[i-1]+A[i];
	for(i=1;i<=ph;i++) st[0][i]=pl[i]-2*i;
	for(i=1;i<=__lg(ph);i++) {
		for(j=1;j+(1<<i)-1<=ph;j++) st[i][j]=min(st[i-1][j],st[i-1][j+(1<<i-1)]);
	} 
	// cerr<<ph<<'\n';
	// cerr<<qry(6,1)<<'\n';
	int q;scanf("%d",&q);
	while(q--){
		int x,y,k;scanf("%d%d%d",&k,&x,&y);x++;y++;
		if(flag) x*=-1,y*=-1,swap(x,y);
		int ans=0;
		if(ph) ans=qry(y,k)-qry(x-1,k);
		if(flag) ans=y-x+1-ans;printf("%d\n",ans);
	}
}
int main(){
	int t=1;
	scanf("%d",&t);
	while(t--) Solve();
	cerr<<clock()*1.0/CLOCKS_PER_SEC<<'\n';
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 8120kb

input:

3
(())
3
0 -3 2
1 -2 3
2 0 0
))()(
3
0 -3 4
2 1 3
3 -4 -1
))()(()(
4
1234 -5678 9012
123 -456 789
12 -34 56
1 -2 3

output:

3
3
0
4
1
1
7345
623
45
3

result:

ok 10 lines

Test #2:

score: -100
Runtime Error

input:

5564
()()(((()
16
0 -825489608 537105171
0 481386502 824237183
0 -32590250 515314371
0 -634830457 908018223
3 -494274112 299679416
125527658 81646800 208166552
632660143 -774899605 -551752339
4 -874787302 127206822
4 -102348267 122390255
2 -881139944 898929361
0 -656262874 -233671414
111787130 -5925...

output:

908396520
228567121
365269748
1028565788
529302352
84346502
148764845
667996084
149825682
1186712870
281727641
995600518
63752581
740373708
867951695
27044668
530591273
345487789
415550920
701803794
413364406
187916461
386485772
125057025
296666742
470522532
367131179
635722815
58970215
379425066
18...

result: