# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
202891 | 2020-02-18T15:49:45 Z | MKopchev | Difference (POI11_roz) | C++14 | 401 ms | 6212 KB |
#include<bits/stdc++.h> using namespace std; const int nmax=1e6+42; int n; vector<int> seen[26]; int get_inp() { char ret; scanf("%c",&ret); while('a'>ret||ret>'z')scanf("%c",&ret); return ret-'a'; } int ask(int big,int small) { if(seen[big].size()==0||seen[small].size()==0)return 0; int mx=0,current=0; int l=0,r=0,last_in=0; while(l<seen[big].size()||r<seen[small].size()) { if(l==seen[big].size()) { current=max(current-1,0); r++; last_in=0; } else if(r==seen[small].size()) { current=current+1; l++; last_in++; } else if(seen[big][l]<seen[small][r]) { current=current+1; l++; last_in++; } else { current=max(current-1,0); r++; last_in=0; } mx=max(mx,current-(current==last_in)); } return mx; } int main() { scanf("%i",&n); for(int i=1;i<=n;i++) seen[get_inp()].push_back(i); int output=0; for(int big=0;big<26;big++) for(int small=0;small<26;small++) if(big!=small)output=max(output,ask(big,small)); printf("%i\n",output); return 0; }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 5 ms | 256 KB | Output is correct |
2 | Correct | 5 ms | 256 KB | Output is correct |
3 | Incorrect | 5 ms | 256 KB | Output isn't correct |
4 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 5 ms | 376 KB | Output is correct |
2 | Correct | 5 ms | 256 KB | Output is correct |
3 | Incorrect | 5 ms | 256 KB | Output isn't correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 6 ms | 504 KB | Output is correct |
2 | Correct | 5 ms | 376 KB | Output is correct |
3 | Correct | 5 ms | 256 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 6 ms | 380 KB | Output is correct |
2 | Correct | 4 ms | 256 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 376 KB | Output is correct |
2 | Correct | 5 ms | 376 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 44 ms | 888 KB | Output is correct |
2 | Correct | 5 ms | 256 KB | Output is correct |
3 | Correct | 10 ms | 376 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 398 ms | 6080 KB | Output is correct |
2 | Correct | 5 ms | 256 KB | Output is correct |
3 | Correct | 220 ms | 5080 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 400 ms | 5984 KB | Output is correct |
2 | Correct | 307 ms | 5328 KB | Output is correct |
3 | Correct | 80 ms | 4976 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 401 ms | 6212 KB | Output is correct |
2 | Correct | 84 ms | 5332 KB | Output is correct |
3 | Correct | 97 ms | 5360 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 397 ms | 5600 KB | Output is correct |
2 | Correct | 74 ms | 5120 KB | Output is correct |
3 | Correct | 96 ms | 5488 KB | Output is correct |