#include <time.h>
#include <cstdlib>
#include <stack>
#include <numeric>
#include <unordered_map>
#include <unordered_set>
#include <iomanip>
#include <map>
#include <set>
#include <iterator>
#include <deque>
#include <queue>
#include <sstream>
#include <array>
#include <string>
#include <tuple>
#include <chrono>
#include <cassert>
#include <cstdio>
#include <cstring>
#include <list>
#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
#include <bitset>
using namespace std;
int tt = 1, n;
string s;
int k[1001][1001];
int last[300005], kol[300005], l[300005], r[300005];
string type[300005];
int mx[4 * 300005];
void up(int l, int r, int ind, int num, int v){
if(l > ind || r < ind) return;
if(l == r){
mx[v] = num;
return;
}
int mid = (l + r) / 2;
up(l, mid, ind, num, v * 2);
up(mid + 1, r, ind, num, v * 2 + 1);
mx[v] = max(mx[v * 2], mx[v * 2 + 1]);
}
int get_mx(int l, int r, int l1, int r1, int v){
if(l > r1 || l1 > r) return 0;
if(l >= l1 && r1 >= r) return mx[v];
int mid = (l + r) / 2;
return max(get_mx(l, mid, l1, r1, v * 2), get_mx(mid + 1, r, l1, r1, v * 2 + 1));
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0), cout.tie(0);
cin >> n >> tt;
cin >> s;
if(n <= 100 && tt <= 100){
while(tt--){
string ss;
cin >> ss;
for(int i = 1; i <= n; i++){
for(int j = i + 1; j <= n + 1; j++){
if(s[j - 2] == '1') k[i][j]++;
else break;
}
}
if(ss[0] == 'q'){
int a, b;
cin >> a >> b;
cout << k[a][b] << "\n";
}
else{
int p;
cin >> p;
if(s[p - 1] == '0') s[p - 1] = '1';
else s[p - 1] = '0';
}
}
return 0;
}
bool f = 0;
for(int i = 1; i <= tt; i++){
cin >> type[i] >> l[i];
if(type[i][0] == 'q') cin >> r[i];
if(type[i][0] == 'q' && r[i] - 1 != l[i]) f = 1;
}
if(!f){
for(int i = 1; i <= tt; i++){
if(type[i][0] == 'q'){
int num = kol[l[i]];
if(s[l[i] - 1] == '1') num += (i - last[l[i]]);
cout << num << "\n";
}
else{
if(s[l[i] - 1] == '1'){
kol[l[i]] += (i - last[l[i]]);
last[l[i]] = i;
s[l[i] - 1] = '0';
}
else{
last[l[i]] = i;
s[l[i] - 1] = '1';
}
}
}
return 0;
}
for(int i = 1; i <= tt; i++){
if(type[i][0] == 'q'){
cout << i - get_mx(1, n, l[i], r[i] - 1, 1) << "\n";
}
else{
up(1, n, i, l[i], 1);
}
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
12636 KB |
Output is correct |
2 |
Correct |
2 ms |
12776 KB |
Output is correct |
3 |
Correct |
2 ms |
12636 KB |
Output is correct |
4 |
Correct |
2 ms |
12636 KB |
Output is correct |
5 |
Correct |
2 ms |
12636 KB |
Output is correct |
6 |
Correct |
2 ms |
10688 KB |
Output is correct |
7 |
Correct |
3 ms |
12632 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
50 ms |
18768 KB |
Output is correct |
2 |
Correct |
50 ms |
16980 KB |
Output is correct |
3 |
Correct |
55 ms |
17604 KB |
Output is correct |
4 |
Correct |
60 ms |
23008 KB |
Output is correct |
5 |
Correct |
61 ms |
23416 KB |
Output is correct |
6 |
Correct |
53 ms |
20960 KB |
Output is correct |
7 |
Correct |
68 ms |
19688 KB |
Output is correct |
8 |
Correct |
76 ms |
20992 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
3 ms |
12632 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
3 ms |
12636 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
12636 KB |
Output is correct |
2 |
Correct |
2 ms |
12776 KB |
Output is correct |
3 |
Correct |
2 ms |
12636 KB |
Output is correct |
4 |
Correct |
2 ms |
12636 KB |
Output is correct |
5 |
Correct |
2 ms |
12636 KB |
Output is correct |
6 |
Correct |
2 ms |
10688 KB |
Output is correct |
7 |
Correct |
3 ms |
12632 KB |
Output is correct |
8 |
Correct |
50 ms |
18768 KB |
Output is correct |
9 |
Correct |
50 ms |
16980 KB |
Output is correct |
10 |
Correct |
55 ms |
17604 KB |
Output is correct |
11 |
Correct |
60 ms |
23008 KB |
Output is correct |
12 |
Correct |
61 ms |
23416 KB |
Output is correct |
13 |
Correct |
53 ms |
20960 KB |
Output is correct |
14 |
Correct |
68 ms |
19688 KB |
Output is correct |
15 |
Correct |
76 ms |
20992 KB |
Output is correct |
16 |
Incorrect |
3 ms |
12632 KB |
Output isn't correct |
17 |
Halted |
0 ms |
0 KB |
- |