#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()
int main(){
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
ll n,q;
cin>>n>>q;
char s[n+5],cur[n+5];
for(ll i=1;i<=n;i++){
cin>>s[i];
}
if(n<=100&&q<=100){
vector<pair<ll,ll>>que(q);
for(ll i=0;i<q;i++){
string t;
cin>>t;
if(t=="toggle"){
ll j;
cin>>j;
que[i]={j,-1};
}
else{
ll a,b;
cin>>a>>b;
que[i]={a,b};
ll ans=0;
for(ll j=1;j<=n;j++){
cur[j]=s[j];
}
for(ll j=0;j<=i;j++){
bool ok=true;
for(ll k=a;k<b;k++){
if(cur[k]=='0'){
ok=false;
break;
}
}
if(ok){
ans++;
}
if(que[j].ss==-1){
ll p=que[j].ff;
if(cur[p]=='1') cur[p]='0';
else cur[p]='1';
}
}
cout<<ans<<"\n";
}
}
return 0;
}
vector<pair<ll,ll>>bef(n+1);
for(ll i=1;i<=n;i++){
bef[i].ff=0;
bef[i].ss=s[i]-'0';
}
vector<ll>ans(n+1,0);
for(ll i=1;i<=q;i++){
string t;
cin>>t;
if(t=="toggle"){
ll j;
cin>>j;
if(bef[j].ss==1){
ans[j]+=i-bef[j].ff;
}
bef[j].ff=i;
bef[j].ss=1-bef[j].ss;
}
else{
ll a,b;
cin>>a>>b;
if(a==b-1){
if(bef[a].ss==1){
ans[a]+=i-bef[a].ff;
}
bef[a].ff=i;
cout<<ans[a]<<"\n";
}
}
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
55 ms |
1364 KB |
Output is correct |
2 |
Correct |
59 ms |
4688 KB |
Output is correct |
3 |
Correct |
60 ms |
5476 KB |
Output is correct |
4 |
Correct |
75 ms |
13652 KB |
Output is correct |
5 |
Correct |
85 ms |
14160 KB |
Output is correct |
6 |
Correct |
69 ms |
13652 KB |
Output is correct |
7 |
Correct |
83 ms |
14480 KB |
Output is correct |
8 |
Correct |
85 ms |
15804 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
55 ms |
1364 KB |
Output is correct |
9 |
Correct |
59 ms |
4688 KB |
Output is correct |
10 |
Correct |
60 ms |
5476 KB |
Output is correct |
11 |
Correct |
75 ms |
13652 KB |
Output is correct |
12 |
Correct |
85 ms |
14160 KB |
Output is correct |
13 |
Correct |
69 ms |
13652 KB |
Output is correct |
14 |
Correct |
83 ms |
14480 KB |
Output is correct |
15 |
Correct |
85 ms |
15804 KB |
Output is correct |
16 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
17 |
Halted |
0 ms |
0 KB |
- |