oj.uz

Submission #197031

# Submission time Handle Problem Language Result Execution time Memory
197031 2020-01-18T07:51:20 Z dennisstar Crayfish scrivener (IOI12_scrivener) C++11
34 / 100
 742 ms 262148 KB 
#include <bits/stdc++.h>
#define fi first
#define se second
#define ryan bear
#define all(V) (V).begin(), (V).end()
#define unq(V) (V).erase(unique(all(V)), (V).end())
#define fastio ios::sync_with_stdio(false); cin.tie(0)
using namespace std;
typedef long long ll;
typedef vector<ll> vlm;
typedef vector<int> vim;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;

struct node {
	char ch;
	node *l, *r;
	node() { ch=0; l=r=NULL; }
}*root[1000010];
int sz[1000010], tp;

void upd(node *now, node *nd, int t, int s, int e, char val) {
	assert(now!=NULL);
	if (s==e) { now->ch=val; return ; }
	int md=(s+e)/2;
	if (t<=md) {
		now->l=new node();
		now->r=(nd?nd->r:NULL);
		upd(now->l, nd?nd->l:NULL, t, s, md, val);
	}
	else {
		now->l=(nd?nd->l:NULL);
		now->r=new node();
		upd(now->r, nd?nd->r:NULL, t, md+1, e, val);
	}
}
char get(node *now, int t, int s, int e) {
	assert(now!=NULL);
	if (s==e) return now->ch;
	int md=(s+e)/2;
	if (t<=md) return get(now->l, t, s, md);
	else return get(now->r, t, md+1, e);
} 

void Init() { root[0]=new node(); tp=1; memset(sz, 0, sizeof(sz)); }

void TypeLetter(char L) {
	root[tp]=new node();
	sz[tp]=sz[tp-1]+1;
	upd(root[tp], root[tp-1], sz[tp], 1, 1000000, L);
	tp++;
}

void UndoCommands(int U) { root[tp]=root[tp-U-1]; sz[tp]=sz[tp-U-1]; tp++; }

char GetLetter(int P) { return get(root[tp-1], P+1, 1, 1000000); }

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4216 KB Output is correct
2 Correct 9 ms 4344 KB Output is correct
3 Correct 5 ms 4216 KB Output is correct
4 Correct 5 ms 4216 KB Output is correct
5 Correct 6 ms 4344 KB Output is correct
6 Correct 9 ms 4344 KB Output is correct
7 Correct 5 ms 4220 KB Output is correct
8 Correct 8 ms 4344 KB Output is correct
9 Correct 1 ms 4348 KB Output is correct
10 Correct 6 ms 4216 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4216 KB Output is correct
2 Correct 6 ms 4216 KB Output is correct
3 Correct 6 ms 4344 KB Output is correct
4 Correct 0 ms 4220 KB Output is correct
5 Correct 3 ms 4188 KB Output is correct
6 Correct 5 ms 4344 KB Output is correct
7 Correct 1 ms 4344 KB Output is correct
8 Correct 5 ms 4216 KB Output is correct
9 Correct 6 ms 4216 KB Output is correct
10 Correct 5 ms 4216 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 5240 KB Output is correct
2 Correct 9 ms 5240 KB Output is correct
3 Correct 9 ms 5368 KB Output is correct
4 Correct 9 ms 6136 KB Output is correct
5 Correct 4 ms 5372 KB Output is correct
6 Correct 14 ms 6648 KB Output is correct
7 Correct 11 ms 6648 KB Output is correct
8 Correct 9 ms 6012 KB Output is correct
9 Correct 10 ms 6136 KB Output is correct
10 Correct 10 ms 5240 KB Output is correct

Subtask #4
0 / 26.0

# Verdict Execution time Memory Grader output
1 Runtime error 590 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 40.0

# Verdict Execution time Memory Grader output
1 Runtime error 742 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -