oj.uz

Submission #30100

# Submission time Handle Problem Language Result Execution time Memory
30100 2017-07-22T06:00:23 Z 구사과(#1250) Difference (POI11_roz) C++14
10 / 100
 253 ms 2996 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long lint;
typedef long double llf;
typedef pair<int, int> pi;
const int MAXN = 1000005;

int n;
char str[MAXN];

int main(){
	cin >> n >> (str + 1);
	int ans = 0;
	for(int i='a'; i<='z'; i++){
		int cnt[26] = {};
		for(int j=1; j<=n; j++){
			if(str[j] == i){
				for(int j=0; j<26; j++) cnt[j] = max(cnt[j], 0);
				int aux[26] = {};
				for(int k=j+1; k<=n && str[k] != i; k++){
					aux[str[k] - 'a']++;
				}
				cnt[str[j] - 'a']++;
				for(int j=0; j<26; j++) cnt[j]--;
				for(int j=0; j<26; j++){
					if(j == i) continue;
					ans = max(ans, cnt[j] + aux[j]);
				}
			}
			else{
				cnt[str[j] - 'a']++;
			}
		}
	}
	cout << ans;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2996 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2996 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2996 KB Output is correct
2 Correct 0 ms 2996 KB Output is correct
3 Correct 0 ms 2996 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2996 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2996 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 2996 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 196 ms 2996 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 226 ms 2996 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 253 ms 2996 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 223 ms 2996 KB Output isn't correct
2 Halted 0 ms 0 KB -