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Submission #18732

# Submission time Handle Problem Language Result Execution time Memory
18732 2016-02-15T02:31:09 Z suhgyuho_william Crayfish scrivener (IOI12_scrivener) C++
60 / 100
 1000 ms 8888 KB 

int rear,cnt;
int a[1000010];
int ans[1000010];
bool first;

void Init(){
	rear = -1;
	first = true;
}

void TypeLetter(char L) {
	rear++;
	a[rear] = -(L-'a'+1);
	first = true;
}

void UndoCommands(int U) {
	rear++;
	a[rear] = U;
	first = true;
}

char GetLetter(int P) {
	int i;

	if(first){
		first = false;
		cnt = -1;
		for(i=rear; i>=0; i--){
			if(a[i] < 0){
				ans[++cnt] = -a[i];
			}else{
				i = i-a[i];
			}
		}
	}
	return ans[cnt-P]+'a'-1;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 8888 KB Output is correct
2 Correct 0 ms 8888 KB Output is correct
3 Correct 0 ms 8888 KB Output is correct
4 Correct 0 ms 8888 KB Output is correct
5 Correct 0 ms 8888 KB Output is correct
6 Correct 0 ms 8888 KB Output is correct
7 Correct 0 ms 8888 KB Output is correct
8 Correct 0 ms 8888 KB Output is correct
9 Correct 0 ms 8888 KB Output is correct
10 Correct 0 ms 8888 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 8888 KB Output is correct
2 Correct 0 ms 8888 KB Output is correct
3 Correct 0 ms 8888 KB Output is correct
4 Correct 0 ms 8888 KB Output is correct
5 Correct 0 ms 8888 KB Output is correct
6 Correct 0 ms 8888 KB Output is correct
7 Correct 0 ms 8888 KB Output is correct
8 Correct 0 ms 8888 KB Output is correct
9 Correct 0 ms 8888 KB Output is correct
10 Correct 0 ms 8888 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8888 KB Output is correct
2 Correct 0 ms 8888 KB Output is correct
3 Correct 2 ms 8888 KB Output is correct
4 Correct 1 ms 8888 KB Output is correct
5 Correct 0 ms 8888 KB Output is correct
6 Correct 1 ms 8888 KB Output is correct
7 Correct 0 ms 8888 KB Output is correct
8 Correct 3 ms 8888 KB Output is correct
9 Correct 3 ms 8888 KB Output is correct
10 Correct 0 ms 8888 KB Output is correct

Subtask #4
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 8888 KB Output is correct
2 Correct 142 ms 8888 KB Output is correct
3 Correct 157 ms 8888 KB Output is correct
4 Correct 194 ms 8888 KB Output is correct
5 Correct 188 ms 8888 KB Output is correct
6 Correct 162 ms 8888 KB Output is correct
7 Correct 202 ms 8888 KB Output is correct
8 Correct 187 ms 8888 KB Output is correct
9 Correct 160 ms 8888 KB Output is correct
10 Correct 161 ms 8888 KB Output is correct

Subtask #5
0.0 / 40.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1000 ms 8888 KB Program timed out
2 Halted 0 ms 0 KB -