oj.uz

Submission #61810

# Submission time Handle Problem Language Result Execution time Memory
61810 2018-07-26T18:19:41 Z theknife2001 Crayfish scrivener (IOI12_scrivener) C++17
0 / 100
 225 ms 2384 KB 
#include <bits/stdc++.h>
#define ii pair < char , char >
#define fi first
#define se second


using namespace std;
const int N=1e6+5;
ii a[N];
char s[N];
bool q=0;
int i=0;


void Init() {}

void TypeLetter(char L) {
    a[i]={'T',L};
    i++;
}

void UndoCommands(int U) {
    a[i]={'U','0'+U};
    i++;
}

int j=0;

char GetLetter(int P) {
    int cnt=0;
    if(!q)
    {
        j=0;
        while(i>0)
        {
            i--;
            if(a[i].fi=='T')
            {
                s[j]=a[i].se;
                j++;
            }
            else if(a[i].fi=='U')
            {
                i-=(a[i].se-'0');
            }
            else
                break;
            cnt++;
            if(cnt>1e7)
                assert(0);
        }
        reverse(s,s+j);
    }
    q=1;
    return s[P];
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 248 KB Output is correct
2 Incorrect 3 ms 356 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 560 KB Output is correct
2 Incorrect 3 ms 560 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 560 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 26.0

# Verdict Execution time Memory Grader output
1 Incorrect 159 ms 2200 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 40.0

# Verdict Execution time Memory Grader output
1 Incorrect 225 ms 2384 KB Output isn't correct
2 Halted 0 ms 0 KB -