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Submission #79072

# Submission time Handle Problem Language Result Execution time Memory
79072 2018-10-11T03:06:54 Z TAMREF Crayfish scrivener (IOI12_scrivener) C++11
34 / 100
 1000 ms 83356 KB 
#include <bits/stdc++.h>
using namespace std;
const int mx = 1e6 + 5;
const int lg = 20;
int C[mx], I[mx];
char X[mx];
int p[mx][lg];
int n;

void show(int i){
    printf("C : %d I : %d X : %c\n",C[i],I[i],X[C[i]]);
}

void Init() {
}

void TypeLetter(char L) {
    ++n;
    I[n] = I[n-1] + 1;
    C[n] = n;
    X[n] = L;
    p[n][0] = n - 1;
    for(int j = 1; j < lg; j++){
        p[n][j] = p[p[n][j-1]][j-1];
    }
}

void UndoCommands(int U) {
    ++n;
    if(U == n){
        I[n] = 0;
        C[n] = 0;
        X[n] = 'U';
        return;
    }
    I[n] = I[n - 1 - U];
    C[n] = C[n - 1 - U];
    p[n][0] = n - 1 - U;
    for(int j = 1; j < lg; j++){
        p[n][j] = p[p[n][j-1]][j-1];
    }
}

char GetLetter(int P) {
    ++P;
    int b = n;
    for(int j = lg-1; j >= 0; j--){
        if(I[b] == P) return X[C[b]];
        if(I[p[b][j]] >= P) b = p[b][j];
    }
    return I[b] == P ? X[C[b]] : X[C[p[b][0]]];
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 508 KB Output is correct
3 Correct 2 ms 508 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 2 ms 508 KB Output is correct
6 Correct 2 ms 516 KB Output is correct
7 Correct 2 ms 720 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 720 KB Output is correct
10 Correct 2 ms 720 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 720 KB Output is correct
2 Correct 2 ms 720 KB Output is correct
3 Correct 2 ms 720 KB Output is correct
4 Correct 2 ms 720 KB Output is correct
5 Correct 2 ms 720 KB Output is correct
6 Correct 2 ms 720 KB Output is correct
7 Correct 2 ms 720 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 720 KB Output is correct
10 Correct 2 ms 720 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 720 KB Output is correct
2 Correct 5 ms 864 KB Output is correct
3 Correct 3 ms 992 KB Output is correct
4 Correct 4 ms 992 KB Output is correct
5 Correct 4 ms 992 KB Output is correct
6 Correct 3 ms 992 KB Output is correct
7 Correct 4 ms 992 KB Output is correct
8 Correct 4 ms 992 KB Output is correct
9 Correct 4 ms 992 KB Output is correct
10 Correct 3 ms 992 KB Output is correct

Subtask #4
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 656 ms 63000 KB Output is correct
2 Correct 722 ms 76688 KB Output is correct
3 Correct 553 ms 76688 KB Output is correct
4 Correct 627 ms 80012 KB Output is correct
5 Correct 595 ms 80012 KB Output is correct
6 Correct 432 ms 83356 KB Output is correct
7 Execution timed out 1085 ms 83356 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #5
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 834 ms 83356 KB Output is correct
2 Correct 858 ms 83356 KB Output is correct
3 Correct 511 ms 83356 KB Output is correct
4 Correct 566 ms 83356 KB Output is correct
5 Correct 544 ms 83356 KB Output is correct
6 Correct 585 ms 83356 KB Output is correct
7 Correct 580 ms 83356 KB Output is correct
8 Execution timed out 1085 ms 83356 KB Time limit exceeded
9 Halted 0 ms 0 KB -