| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1002181 |
2024-06-19T10:44:13 Z |
son2008 |
Difference (POI11_roz) |
C++17 |
|
0 ms |
0 KB |
const int N = 1e6 + 5;
int n;
string s;
vector<int> pos[26];
int maxSub(vector<int> &arr){
int res = 0, Min = 0;
FOR(i,1,(int)arr.size()-1){
arr[i] += arr[i-1];
if (arr[i] != i) res = max(res, arr[i] - Min);
Min = min(Min, arr[i]);
}
return res;
}
void solve(){
cin >> n >> s;
rep(i, n)
pos[s[i] - 'a'].pb(i);
int ans = 0;
rep(i, 26)
FOR(j,i+1,25){
vector<int> arr(1, 0), tmp;
int l=0, r=0;
while(l < pos[i].size() && r < pos[j].size())
if (pos[i][l] < pos[j][r]) arr.pb(+1), l++;
else arr.pb(-1), r++;
while(l < pos[i].size()) arr.pb(+1), l++;
while(r < pos[j].size()) arr.pb(-1), r++;
tmp = arr;
for(int &v : tmp) v = -v;
ans = max({ans, maxSub(arr), maxSub(tmp)});
}
cout << ans;
}
Compilation message
roz.cpp:3:1: error: 'string' does not name a type
3 | string s;
| ^~~~~~
roz.cpp:4:1: error: 'vector' does not name a type
4 | vector<int> pos[26];
| ^~~~~~
roz.cpp:6:12: error: 'vector' was not declared in this scope
6 | int maxSub(vector<int> &arr){
| ^~~~~~
roz.cpp:6:19: error: expected primary-expression before 'int'
6 | int maxSub(vector<int> &arr){
| ^~~
roz.cpp: In function 'void solve()':
roz.cpp:17:5: error: 'cin' was not declared in this scope
17 | cin >> n >> s;
| ^~~
roz.cpp:17:17: error: 's' was not declared in this scope
17 | cin >> n >> s;
| ^
roz.cpp:18:9: error: 'i' was not declared in this scope
18 | rep(i, n)
| ^
roz.cpp:18:5: error: 'rep' was not declared in this scope
18 | rep(i, n)
| ^~~
roz.cpp:35:5: error: 'cout' was not declared in this scope
35 | cout << ans;
| ^~~~
