#include <bits/stdc++.h>
using namespace std;
#define ll long long int
#define sz(x) (int)x.size()
#define ff first
#define ss second
const ll N = 300005;
const ll M = 1e9 + 7;
int T, n, q, ind1[N], a1[N], b1[N], x[N], y[N];
string s[N], s1[N];
int main(){
ios::sync_with_stdio(false); cin.tie(0);
cin >> n >> q >> s[0];
for(int i = 1; i <= q; i++){
cin >> s1[i];
if(s1[i] == "toggle"){
cin >> ind1[i];
}
else {
cin >> a1[i] >> b1[i];
}
}
if(n <= 100 and q <= 100){
for(int i = 1; i <= q; i++){
s[i] = s[i-1];
if(s1[i] == "toggle"){
int ind = (ind1[i]);
ind--;
if(s[0][ind] == '1'){
s[i][ind] = '0';
}
else s[0][ind] = '1';
}
else {
int a = a1[i], b = b1[i], ans = 0;
for(int j = 0; j <= i-1; j++){
bool tr = 0;
for(int k = a-1; k < b-1; k++){
if(s[j][k] == '0'){
tr = 1;
break;
}
}
ans += (tr == 0);
}
cout << ans << '\n';
}
}
}
else {
for(int i = 0; i < sz(s[0]); i++){
if(s[0][i] == 1) x[i] = 0;
else x[i] = -1;
}
for(int i = 1; i <= q; i++){
if(s1[i] == "toggle"){
int ind = (ind1[i]);
ind--;
if(s[0][ind] == '0'){
x[ind] = i;
s[0][ind] = '1';
}
else {
y[i] += abs(i-x[i]);
x[i] = -1;
s[0][ind] = '0';
}
}
else {
int a = a1[i]-1, b = b1[i]-1, ans = y[a];
if(x[a] != -1) ans += (abs(i-x[a])+1);
cout << ans << "\n";
}
}
}
return 0;
}
Compilation message
street_lamps.cpp: In function 'int main()':
street_lamps.cpp:77:22: warning: unused variable 'b' [-Wunused-variable]
77 | int a = a1[i]-1, b = b1[i]-1, ans = y[a];
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
3 ms |
23132 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
46 ms |
25544 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
3 ms |
23132 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
3 ms |
23128 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
3 ms |
23132 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |