#include <bits/stdc++.h>
#define pb push_back
#define endl ("\n")
#define all(aa) aa.begin(), aa.end()
typedef long long ll;
using namespace std;
int main(){
int n, q;
cin >> n >> q;
if(n <= 100 && q <= 100){
vector<int> v(n);
string s;
cin >> s;
for(int i = 0; i < n; i++) v[i] = (s[i] == '1');
vector<vector<int>> ans(n, vector<int>(n));
for(int i = 0; i < q; i++){
for(int j = 0; j < n; j++){
for(int k = j; k < n; k++){
int ok = 1;
for(int a = j; a <= k; a++)
ok &= v[a];
ans[j][k] += ok;
}
}
string t;
cin >> t;
if(t == "toggle"){
int a; cin >> a; a--;
v[a] ^= 1;
}
else{
int l, r; cin >> l >> r; l--, r-= 2;
cout << ans[l][r] << endl;
}
}
}
else{
vector<int> v(n);
string s;
cin >> s;
for(int i = 0; i < n; i++) v[i] = (s[i] == '1');
vector<vector<pair<int, int>>> Q(n);
for(int i = 1; i <= q; i++){
string t;
cin >> t;
if(t == "toggle"){
int a; cin >> a; a--;
Q[a].pb({i, 0});
}
else{
int l, r; cin >> l >> r;
l--, r -= 2;
Q[l].pb({i, 1});
}
}
vector<int> ans(q + 1, -1);
for(int i = 0; i < n; i++){
ll one = v[i];
ll cev = 0;
ll time = 0;
for(auto [a, t] : Q[i]){
cev += one * (a - time);
if(t == 0){
one ^=1;
}
else{
ans[a] = cev;
}
time = a;
}
}
for(int i = 0; i <= q; i++){
if(ans[i] != -1){
cout << ans[i] << endl;
}
}
}
}
Compilation message
street_lamps.cpp: In function 'int main()':
street_lamps.cpp:64:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
64 | for(auto [a, t] : Q[i]){
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
8 ms |
600 KB |
Output is correct |
5 |
Correct |
7 ms |
348 KB |
Output is correct |
6 |
Correct |
8 ms |
348 KB |
Output is correct |
7 |
Correct |
9 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
86 ms |
6736 KB |
Output is correct |
2 |
Correct |
101 ms |
6736 KB |
Output is correct |
3 |
Correct |
105 ms |
7380 KB |
Output is correct |
4 |
Correct |
144 ms |
18328 KB |
Output is correct |
5 |
Correct |
150 ms |
19088 KB |
Output is correct |
6 |
Correct |
133 ms |
18156 KB |
Output is correct |
7 |
Correct |
164 ms |
18528 KB |
Output is correct |
8 |
Correct |
168 ms |
19852 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 |
1 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
8 ms |
600 KB |
Output is correct |
5 |
Correct |
7 ms |
348 KB |
Output is correct |
6 |
Correct |
8 ms |
348 KB |
Output is correct |
7 |
Correct |
9 ms |
344 KB |
Output is correct |
8 |
Correct |
86 ms |
6736 KB |
Output is correct |
9 |
Correct |
101 ms |
6736 KB |
Output is correct |
10 |
Correct |
105 ms |
7380 KB |
Output is correct |
11 |
Correct |
144 ms |
18328 KB |
Output is correct |
12 |
Correct |
150 ms |
19088 KB |
Output is correct |
13 |
Correct |
133 ms |
18156 KB |
Output is correct |
14 |
Correct |
164 ms |
18528 KB |
Output is correct |
15 |
Correct |
168 ms |
19852 KB |
Output is correct |
16 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
17 |
Halted |
0 ms |
0 KB |
- |