oj.uz

Submission #333112

# Submission time Handle Problem Language Result Execution time Memory
333112 2020-12-04T16:34:43 Z soroush Snake Escaping (JOI18_snake_escaping) C++14
12 / 100
 369 ms 65536 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  = 1e6+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];

string t[maxn];

int res[maxn];

void sub1(){
	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;
	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;
	}
}

int32_t main(){
    migmig;
    cin >> l >> q;
    if(l <= 15){
		sub1();
		return(0);
	}
    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;
	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[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 * 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 22 ms 31980 KB Output is correct
2 Correct 22 ms 31980 KB Output is correct
3 Correct 22 ms 31980 KB Output is correct
4 Correct 22 ms 31980 KB Output is correct
5 Correct 22 ms 31980 KB Output is correct
6 Correct 23 ms 31980 KB Output is correct
7 Correct 22 ms 31980 KB Output is correct
8 Correct 22 ms 31980 KB Output is correct
9 Correct 23 ms 31852 KB Output is correct
10 Correct 23 ms 31980 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 31980 KB Output is correct
2 Correct 22 ms 31980 KB Output is correct
3 Correct 22 ms 31980 KB Output is correct
4 Correct 22 ms 31980 KB Output is correct
5 Correct 22 ms 31980 KB Output is correct
6 Correct 23 ms 31980 KB Output is correct
7 Correct 22 ms 31980 KB Output is correct
8 Correct 22 ms 31980 KB Output is correct
9 Correct 23 ms 31852 KB Output is correct
10 Correct 23 ms 31980 KB Output is correct
11 Correct 258 ms 45164 KB Output is correct
12 Correct 293 ms 45636 KB Output is correct
13 Correct 278 ms 44652 KB Output is correct
14 Correct 281 ms 44780 KB Output is correct
15 Correct 287 ms 45804 KB Output is correct
16 Correct 293 ms 44724 KB Output is correct
17 Correct 313 ms 44908 KB Output is correct
18 Correct 222 ms 47084 KB Output is correct
19 Correct 257 ms 43500 KB Output is correct
20 Correct 273 ms 45292 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 31980 KB Output is correct
2 Correct 22 ms 31980 KB Output is correct
3 Correct 22 ms 31980 KB Output is correct
4 Correct 22 ms 31980 KB Output is correct
5 Correct 22 ms 31980 KB Output is correct
6 Correct 23 ms 31980 KB Output is correct
7 Correct 22 ms 31980 KB Output is correct
8 Correct 22 ms 31980 KB Output is correct
9 Correct 23 ms 31852 KB Output is correct
10 Correct 23 ms 31980 KB Output is correct
11 Correct 258 ms 45164 KB Output is correct
12 Correct 293 ms 45636 KB Output is correct
13 Correct 278 ms 44652 KB Output is correct
14 Correct 281 ms 44780 KB Output is correct
15 Correct 287 ms 45804 KB Output is correct
16 Correct 293 ms 44724 KB Output is correct
17 Correct 313 ms 44908 KB Output is correct
18 Correct 222 ms 47084 KB Output is correct
19 Correct 257 ms 43500 KB Output is correct
20 Correct 273 ms 45292 KB Output is correct
21 Runtime error 369 ms 65536 KB Execution killed with signal 11 (could be triggered by violating memory limits)
22 Halted 0 ms 0 KB -

Subtask #4
0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 31980 KB Output is correct
2 Correct 22 ms 31980 KB Output is correct
3 Correct 22 ms 31980 KB Output is correct
4 Correct 22 ms 31980 KB Output is correct
5 Correct 22 ms 31980 KB Output is correct
6 Correct 23 ms 31980 KB Output is correct
7 Correct 22 ms 31980 KB Output is correct
8 Correct 22 ms 31980 KB Output is correct
9 Correct 23 ms 31852 KB Output is correct
10 Correct 23 ms 31980 KB Output is correct
11 Runtime error 76 ms 65536 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 22 ms 31980 KB Output is correct
2 Correct 22 ms 31980 KB Output is correct
3 Correct 22 ms 31980 KB Output is correct
4 Correct 22 ms 31980 KB Output is correct
5 Correct 22 ms 31980 KB Output is correct
6 Correct 23 ms 31980 KB Output is correct
7 Correct 22 ms 31980 KB Output is correct
8 Correct 22 ms 31980 KB Output is correct
9 Correct 23 ms 31852 KB Output is correct
10 Correct 23 ms 31980 KB Output is correct
11 Correct 258 ms 45164 KB Output is correct
12 Correct 293 ms 45636 KB Output is correct
13 Correct 278 ms 44652 KB Output is correct
14 Correct 281 ms 44780 KB Output is correct
15 Correct 287 ms 45804 KB Output is correct
16 Correct 293 ms 44724 KB Output is correct
17 Correct 313 ms 44908 KB Output is correct
18 Correct 222 ms 47084 KB Output is correct
19 Correct 257 ms 43500 KB Output is correct
20 Correct 273 ms 45292 KB Output is correct
21 Runtime error 369 ms 65536 KB Execution killed with signal 11 (could be triggered by violating memory limits)
22 Halted 0 ms 0 KB -