oj.uz

Submission #333124

# Submission time Handle Problem Language Result Execution time Memory
333124 2020-12-04T16:47:11 Z soroush Snake Escaping (JOI18_snake_escaping) C++14
22 / 100
 414 ms 13292 KB 
/*
#pragma GCC optimize("O2")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,sse,sse2,fma")
//*/
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef long double ld;
typedef pair<int  ,int > pii;
 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
 
const ll maxn  = 2e6+100;
const ll mod =1e9+7;
const ld PI = acos((ld)-1);
 
#define pb push_back
#define endl '\n'
#define dokme(x) cout << x , exit(0)
#define migmig ios::sync_with_stdio(false),cin.tie(0),cout.tie(0)
#define ms(x , y) memset(x , y , sizeof x)
ll pw(ll a, ll b, ll md = mod){ll res = 1;while(b){if(b&1){res=(a*res)%md;}a=(a*a)%md;b>>=1;}return(res);}
 
int l , q;
int a[maxn];
string s;
 
int ans[maxn];
 
int p[30];

void sub1(){
	for(int i = 0 ; i < p[l] ; i ++){
		int res = 0;
		int x = i;
		for(int j = l ; j >= 0 ; j --){
			if(x >= 2*p[j]){
				x = i;
				x-=2*p[j];
				ans[i] = ans[x] + ans[x + p[j]];
				break;
			}
			if(x >= p[j])
				res += (1 << j);
			x%=p[j];
			if(j == 0)ans[i] = a[res];
		}
	}
	while(q -- ){
		string t;
		cin >> t;
		reverse(t.begin() , t.end());
		int x = 0;
		for(int i = 0 ; i < l ; i ++)
			if(t[i] == '?')x+=p[i]*2;
			else if(t[i] == '1')x+=p[i];
		cout << ans[x] << endl;
	}
	exit(0);
}

vector < string > t;
int res[maxn];

int32_t main(){
    migmig;
    cin >> l >> q;
    cin >> s;
    for(int i = 0 ; i < (1 << l) ; i ++)
		a[i] = s[i] - '0';
	p[0] = 1;
	for(int i = 1 ; i < 16; i ++)
		p[i] = p[i - 1] * 3;
	if(l <= 13)
		sub1();
	t.reserve(q + 1);
	for(int i = 1 ; i <= q ; i ++)
		cin >> t[i] , reverse(t[i].begin() , t[i].end());
	for(int k = 0 ; k < 128 ; k ++){
		for(int i = 0 ; i < p[13] ; i ++){
			int res = 0;
			int x = i;
			for(int j = 13 ; j >= 0 ; j --){
				if(x >= 2*p[j]){
					x = i;
					x-=2*p[j];
					ans[i] = ans[x] + ans[x + p[j]];
					break;
				}
				if(x >= p[j])
					res += (1 << j);
				x%=p[j];
				if(j == 0)ans[i] = a[res * 128 + k];
			}
		}
		for(int i = 1 ; i <= q ; i ++){
			bool ok = 1;
			for(int j = 0 ; j < 7 ; j ++){
				if(k&(1 << j)){if(t[i][j] == '0'){ok=0 ;break;}}
				else if(t[i][j] == '1'){ok=0 ;break;}
			}
			if(!ok)continue;
			int x = 0;
			for(int j = 7 ; j < l ; j ++)
				if(t[i][j] == '?')x+=p[i]*2;
				else if(t[i][j] == '1')x+=p[i];
			res[i] += ans[x];
		}
	}
	
	for(int i = 1;  i <= q ; i ++)
		cout << res[i] << endl;
    return(0);
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 620 KB Output is correct
2 Correct 2 ms 620 KB Output is correct
3 Correct 2 ms 620 KB Output is correct
4 Correct 2 ms 620 KB Output is correct
5 Correct 2 ms 620 KB Output is correct
6 Correct 3 ms 620 KB Output is correct
7 Correct 2 ms 620 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 2 ms 620 KB Output is correct
10 Correct 2 ms 620 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 620 KB Output is correct
2 Correct 2 ms 620 KB Output is correct
3 Correct 2 ms 620 KB Output is correct
4 Correct 2 ms 620 KB Output is correct
5 Correct 2 ms 620 KB Output is correct
6 Correct 3 ms 620 KB Output is correct
7 Correct 2 ms 620 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 2 ms 620 KB Output is correct
10 Correct 2 ms 620 KB Output is correct
11 Correct 235 ms 5032 KB Output is correct
12 Correct 251 ms 4840 KB Output is correct
13 Correct 259 ms 3636 KB Output is correct
14 Correct 256 ms 3692 KB Output is correct
15 Correct 258 ms 4716 KB Output is correct
16 Correct 267 ms 3948 KB Output is correct
17 Correct 275 ms 3948 KB Output is correct
18 Correct 209 ms 6124 KB Output is correct
19 Correct 245 ms 2796 KB Output is correct
20 Correct 244 ms 4460 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 620 KB Output is correct
2 Correct 2 ms 620 KB Output is correct
3 Correct 2 ms 620 KB Output is correct
4 Correct 2 ms 620 KB Output is correct
5 Correct 2 ms 620 KB Output is correct
6 Correct 3 ms 620 KB Output is correct
7 Correct 2 ms 620 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 2 ms 620 KB Output is correct
10 Correct 2 ms 620 KB Output is correct
11 Correct 235 ms 5032 KB Output is correct
12 Correct 251 ms 4840 KB Output is correct
13 Correct 259 ms 3636 KB Output is correct
14 Correct 256 ms 3692 KB Output is correct
15 Correct 258 ms 4716 KB Output is correct
16 Correct 267 ms 3948 KB Output is correct
17 Correct 275 ms 3948 KB Output is correct
18 Correct 209 ms 6124 KB Output is correct
19 Correct 245 ms 2796 KB Output is correct
20 Correct 244 ms 4460 KB Output is correct
21 Correct 287 ms 11316 KB Output is correct
22 Correct 308 ms 11408 KB Output is correct
23 Correct 371 ms 10860 KB Output is correct
24 Correct 370 ms 10348 KB Output is correct
25 Correct 334 ms 12268 KB Output is correct
26 Correct 394 ms 10860 KB Output is correct
27 Correct 414 ms 10860 KB Output is correct
28 Correct 233 ms 13292 KB Output is correct
29 Correct 282 ms 9324 KB Output is correct
30 Correct 296 ms 11500 KB Output is correct
31 Correct 387 ms 11244 KB Output is correct
32 Correct 368 ms 11372 KB Output is correct
33 Correct 302 ms 10304 KB Output is correct
34 Correct 379 ms 10604 KB Output is correct
35 Correct 413 ms 10720 KB Output is correct
36 Correct 222 ms 9324 KB Output is correct
37 Correct 284 ms 11244 KB Output is correct
38 Correct 295 ms 9288 KB Output is correct
39 Correct 373 ms 10540 KB Output is correct
40 Correct 354 ms 10476 KB Output is correct

Subtask #4
0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 620 KB Output is correct
2 Correct 2 ms 620 KB Output is correct
3 Correct 2 ms 620 KB Output is correct
4 Correct 2 ms 620 KB Output is correct
5 Correct 2 ms 620 KB Output is correct
6 Correct 3 ms 620 KB Output is correct
7 Correct 2 ms 620 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 2 ms 620 KB Output is correct
10 Correct 2 ms 620 KB Output is correct
11 Runtime error 17 ms 11152 KB Execution killed with signal 11 (could be triggered by violating memory limits)
12 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 620 KB Output is correct
2 Correct 2 ms 620 KB Output is correct
3 Correct 2 ms 620 KB Output is correct
4 Correct 2 ms 620 KB Output is correct
5 Correct 2 ms 620 KB Output is correct
6 Correct 3 ms 620 KB Output is correct
7 Correct 2 ms 620 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 2 ms 620 KB Output is correct
10 Correct 2 ms 620 KB Output is correct
11 Correct 235 ms 5032 KB Output is correct
12 Correct 251 ms 4840 KB Output is correct
13 Correct 259 ms 3636 KB Output is correct
14 Correct 256 ms 3692 KB Output is correct
15 Correct 258 ms 4716 KB Output is correct
16 Correct 267 ms 3948 KB Output is correct
17 Correct 275 ms 3948 KB Output is correct
18 Correct 209 ms 6124 KB Output is correct
19 Correct 245 ms 2796 KB Output is correct
20 Correct 244 ms 4460 KB Output is correct
21 Correct 287 ms 11316 KB Output is correct
22 Correct 308 ms 11408 KB Output is correct
23 Correct 371 ms 10860 KB Output is correct
24 Correct 370 ms 10348 KB Output is correct
25 Correct 334 ms 12268 KB Output is correct
26 Correct 394 ms 10860 KB Output is correct
27 Correct 414 ms 10860 KB Output is correct
28 Correct 233 ms 13292 KB Output is correct
29 Correct 282 ms 9324 KB Output is correct
30 Correct 296 ms 11500 KB Output is correct
31 Correct 387 ms 11244 KB Output is correct
32 Correct 368 ms 11372 KB Output is correct
33 Correct 302 ms 10304 KB Output is correct
34 Correct 379 ms 10604 KB Output is correct
35 Correct 413 ms 10720 KB Output is correct
36 Correct 222 ms 9324 KB Output is correct
37 Correct 284 ms 11244 KB Output is correct
38 Correct 295 ms 9288 KB Output is correct
39 Correct 373 ms 10540 KB Output is correct
40 Correct 354 ms 10476 KB Output is correct
41 Runtime error 17 ms 11152 KB Execution killed with signal 11 (could be triggered by violating memory limits)
42 Halted 0 ms 0 KB -