#include<iostream>
#include<algorithm>
#include<vector>
#include<queue>
#include<set>
#include<unordered_set>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> P;
#define rep(i,n) for(int i=0;i<n;i++)
#define chmin(a,b) a=min(a,b)
#define chmax(a,b) a=max(a,b)
#define all(x) x.begin(),x.end()
#define N 300010
ll dat[2*N];
void init(){
rep(i,2*N)dat[i]=0;
}
void upd(ll i,ll x){
i+=N;
dat[i]=x;
for(;i;i>>=1){
dat[i/2]=max(dat[i],dat[i^1]);
}
}
ll qry(ll l,ll r){
l+=N,r+=N+1;
ll res=0;
for(ll a=l,b=r;a<b;a>>=1,b>>=1){
if(a&1)chmax(res,dat[a++]);
if(b&1)chmax(res,dat[--b]);
}
return res;
}
ll n,q;
string typ[N];
ll a[N],b[N],x[N];
ll ti[N];
int main(){
cin>>n>>q;
string s;
cin>>s;
rep(i,n){
if(s[i]=='1')ti[i]=0;
else ti[i]=1e17;
}
init();
for(int i=1;i<=q;i++){
cin>>typ[i];
if(typ[i]=="toggle"){
cin>>x[i];
x[i]--;
if(ti[x[i]]==1e17){
ti[x[i]]=i;
upd(x[i],i);
}
}
else{
cin>>a[i]>>b[i];
a[i]--,b[i]--;
ll res=qry(a[i],b[i]-1);
ll ans=i-res;
if(ans<0)ans=0;
cout<<ans<<endl;
}
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
13 ms |
14456 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
592 ms |
22568 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
14 ms |
14460 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
16 ms |
14456 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
13 ms |
14456 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |