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답안 #49529

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
49529 2018-05-30T08:31:26 Z ho94949 크레이피쉬 글쓰는 기계 (IOI12_scrivener) C++17
0 / 100
 5 ms 1076 KB 
const int lgMAXN = 20;
const int MAXN = 1 << 20;
int len;
int arr[MAXN];
int sparse[MAXN][lgMAXN];


void Init() {
    len = 0;
}

void TypeLetter(char L) {
    arr[++len] = L;
    sparse[len][0] = len;
    for(int i=1; i<lgMAXN; ++i)
        sparse[len][i] = sparse[sparse[len][i-1]-1][i-1];
}

void UndoCommands(int U) {
    arr[++len] = -U;
    for(int i=0; i<lgMAXN; ++i)
        sparse[len][i] = sparse[len-U-1][i];
}

char GetLetter(int P) {
    
    int c = 0, idx = len;
    for(int i=lgMAXN-1; i>=0; --i)
        if(sparse[idx][i])
        {
            c += (1<<i);
            idx = sparse[idx][i]-1;
        }

    int ans = len;
    for(int i=lgMAXN-1; i>=0; --i)
        if((c-P)&(1<<i))
            ans = sparse[ans][i]-1;
    
    return arr[ans+1];
}

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 4 ms 376 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 5 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #3
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 5 ms 724 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 5 ms 1056 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 5 ms 1076 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -