oj.uz

Submission #521633

# Submission time Handle Problem Language Result Execution time Memory
521633 2022-02-02T15:43:22 Z AdamGS Snake Escaping (JOI18_snake_escaping) C++17
75 / 100
 2000 ms 39784 KB 
#pragma GCC optimize("Ofast,O3")
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef unsigned int uint;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
string S;
void solve(vector<uint>&V, vector<int>&ans, int l, int r, uint akt) {
	if(!V.size()) return;
	if(l==r) {
		ans[0]=S[l]-'0';
		return;
	}
	int ile1=0, ile2=0, ile3=0;
	rep(i, V.size()) {
		if(V[i]/akt==0) ++ile1;
		else if(V[i]/akt==1) ++ile2;
		else ++ile3;
		V[i]%=akt;
	}
	vector<uint>zero;
	zero.reserve(V.size());
	int l1=0, l2=0;
	while(l1<ile1 && l2<ile2) {
		if(V[l1]<=V[ile1+l2]) {
			if(V[l1]==V[ile1+l2]) ++l2;
			zero.pb(V[l1]);
			++l1;
		} else {
			zero.pb(V[ile1+l2]);
			++l2;
		}
	}
	while(l1<ile1) {
		zero.pb(V[l1]); ++l1;
	}
	while(l2<ile2) {
		zero.pb(V[ile1+l2]); ++l2;
	}
	vector<int>zans(zero.size());
	solve(zero, zans, l, (l+r)/2, akt/3);
	l1=0;
	rep(i, ile1) {
		while(zero[l1]<V[i]) ++l1;
		ans[i]+=zans[l1];
	}
	l1=0;
	rep(i, ile2) {
		while(zero[l1]<V[ile1+i]) ++l1;
		ans[ile1+i]+=zans[l1];
	}
	zero.clear();
	l1=0; l2=0;
	while(l1<ile1 && l2<ile3) {
		if(V[l1]<=V[ile1+ile2+l2]) {
			if(V[l1]==V[ile1+ile2+l2]) ++l2;
			zero.pb(V[l1]);
			++l1;
		} else {
			zero.pb(V[ile1+ile2+l2]);
			++l2;
		}
	}
	while(l1<ile1) {
		zero.pb(V[l1]); ++l1;
	}
	while(l2<ile3) {
		zero.pb(V[ile1+ile2+l2]); ++l2;
	}
	vector<int>jans(zero.size());
	solve(zero, jans, (l+r)/2+1, r, akt/3);
	l1=0;
	rep(i, ile1) {
		while(zero[l1]<V[i]) ++l1;
		ans[i]+=jans[l1];
	}
	l1=0;
	rep(i, ile3) {
		while(zero[l1]<V[ile1+ile2+i]) ++l1;
		ans[ile1+ile2+i]+=jans[l1];
	}
	rep(i, ile2) V[ile1+i]+=akt;
	rep(i, ile3) V[ile1+ile2+i]+=2*akt;
}
int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	int l, q, n=1;
	cin >> l >> q >> S;
	rep(i, l) n*=2;
	pair<uint,int>T[q];
	rep(i, q) {
		string x;
		cin >> x;
		ll p=0;
		for(auto j : x) {
			p*=3;
			if(j=='0') ++p;
			if(j=='1') p+=2;
		}
		T[i]={p, i};
	}
	sort(T, T+q);
	uint akt=1;
	rep(i, l-1) akt*=3;
	vector<uint>V;
	V.pb(T[0].st);
	for(int i=1; i<q; ++i) if(T[i].st!=T[i-1].st) V.pb(T[i].st);
	vector<int>ans(V.size());
	solve(V, ans, 0, n-1, akt);
	int l1=0;
	rep(i, q) {
		while(V[l1]<T[i].st) ++l1;
		T[i]={T[i].nd, ans[l1]};
	}
	sort(T, T+q);
	rep(i, q) cout << T[i].nd << '\n';
}

Compilation message

snake_escaping.cpp: In function 'void solve(std::vector<unsigned int>&, std::vector<int>&, int, int, uint)':
snake_escaping.cpp:9:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<unsigned int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 | #define rep(a, b) for(int a = 0; a < (b); ++a)
      |                                    ^
snake_escaping.cpp:22:2: note: in expansion of macro 'rep'
   22 |  rep(i, V.size()) {
      |  ^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 332 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 313 ms 12100 KB Output is correct
12 Correct 355 ms 11844 KB Output is correct
13 Correct 351 ms 11204 KB Output is correct
14 Correct 354 ms 11204 KB Output is correct
15 Correct 358 ms 12228 KB Output is correct
16 Correct 348 ms 11584 KB Output is correct
17 Correct 364 ms 11960 KB Output is correct
18 Correct 179 ms 13104 KB Output is correct
19 Correct 338 ms 10036 KB Output is correct
20 Correct 319 ms 11712 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 313 ms 12100 KB Output is correct
12 Correct 355 ms 11844 KB Output is correct
13 Correct 351 ms 11204 KB Output is correct
14 Correct 354 ms 11204 KB Output is correct
15 Correct 358 ms 12228 KB Output is correct
16 Correct 348 ms 11584 KB Output is correct
17 Correct 364 ms 11960 KB Output is correct
18 Correct 179 ms 13104 KB Output is correct
19 Correct 338 ms 10036 KB Output is correct
20 Correct 319 ms 11712 KB Output is correct
21 Correct 324 ms 12240 KB Output is correct
22 Correct 394 ms 12504 KB Output is correct
23 Correct 395 ms 14220 KB Output is correct
24 Correct 392 ms 13060 KB Output is correct
25 Correct 374 ms 14056 KB Output is correct
26 Correct 406 ms 17736 KB Output is correct
27 Correct 439 ms 24756 KB Output is correct
28 Correct 193 ms 14160 KB Output is correct
29 Correct 357 ms 10084 KB Output is correct
30 Correct 336 ms 12500 KB Output is correct
31 Correct 425 ms 15708 KB Output is correct
32 Correct 397 ms 13780 KB Output is correct
33 Correct 361 ms 11672 KB Output is correct
34 Correct 421 ms 18500 KB Output is correct
35 Correct 440 ms 24768 KB Output is correct
36 Correct 176 ms 10052 KB Output is correct
37 Correct 367 ms 12228 KB Output is correct
38 Correct 382 ms 10312 KB Output is correct
39 Correct 399 ms 14580 KB Output is correct
40 Correct 394 ms 12600 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 182 ms 4612 KB Output is correct
12 Correct 284 ms 4360 KB Output is correct
13 Correct 276 ms 3616 KB Output is correct
14 Correct 533 ms 3640 KB Output is correct
15 Correct 1309 ms 4920 KB Output is correct
16 Correct 677 ms 3700 KB Output is correct
17 Correct 677 ms 3740 KB Output is correct
18 Correct 109 ms 2408 KB Output is correct
19 Correct 50 ms 2752 KB Output is correct
20 Correct 271 ms 4968 KB Output is correct
21 Correct 1060 ms 4092 KB Output is correct
22 Correct 536 ms 3808 KB Output is correct
23 Correct 98 ms 4324 KB Output is correct
24 Correct 443 ms 3600 KB Output is correct
25 Correct 672 ms 3784 KB Output is correct
26 Correct 13 ms 2408 KB Output is correct
27 Correct 197 ms 4124 KB Output is correct
28 Correct 54 ms 2892 KB Output is correct
29 Correct 275 ms 4008 KB Output is correct
30 Correct 424 ms 3480 KB Output is correct
31 Correct 100 ms 3940 KB Output is correct
32 Correct 691 ms 3560 KB Output is correct
33 Correct 673 ms 3680 KB Output is correct
34 Correct 13 ms 2408 KB Output is correct
35 Correct 697 ms 3660 KB Output is correct
36 Correct 704 ms 3668 KB Output is correct
37 Correct 693 ms 3668 KB Output is correct
38 Correct 692 ms 3624 KB Output is correct
39 Correct 682 ms 3652 KB Output is correct
40 Correct 706 ms 3904 KB Output is correct

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 313 ms 12100 KB Output is correct
12 Correct 355 ms 11844 KB Output is correct
13 Correct 351 ms 11204 KB Output is correct
14 Correct 354 ms 11204 KB Output is correct
15 Correct 358 ms 12228 KB Output is correct
16 Correct 348 ms 11584 KB Output is correct
17 Correct 364 ms 11960 KB Output is correct
18 Correct 179 ms 13104 KB Output is correct
19 Correct 338 ms 10036 KB Output is correct
20 Correct 319 ms 11712 KB Output is correct
21 Correct 324 ms 12240 KB Output is correct
22 Correct 394 ms 12504 KB Output is correct
23 Correct 395 ms 14220 KB Output is correct
24 Correct 392 ms 13060 KB Output is correct
25 Correct 374 ms 14056 KB Output is correct
26 Correct 406 ms 17736 KB Output is correct
27 Correct 439 ms 24756 KB Output is correct
28 Correct 193 ms 14160 KB Output is correct
29 Correct 357 ms 10084 KB Output is correct
30 Correct 336 ms 12500 KB Output is correct
31 Correct 425 ms 15708 KB Output is correct
32 Correct 397 ms 13780 KB Output is correct
33 Correct 361 ms 11672 KB Output is correct
34 Correct 421 ms 18500 KB Output is correct
35 Correct 440 ms 24768 KB Output is correct
36 Correct 176 ms 10052 KB Output is correct
37 Correct 367 ms 12228 KB Output is correct
38 Correct 382 ms 10312 KB Output is correct
39 Correct 399 ms 14580 KB Output is correct
40 Correct 394 ms 12600 KB Output is correct
41 Correct 182 ms 4612 KB Output is correct
42 Correct 284 ms 4360 KB Output is correct
43 Correct 276 ms 3616 KB Output is correct
44 Correct 533 ms 3640 KB Output is correct
45 Correct 1309 ms 4920 KB Output is correct
46 Correct 677 ms 3700 KB Output is correct
47 Correct 677 ms 3740 KB Output is correct
48 Correct 109 ms 2408 KB Output is correct
49 Correct 50 ms 2752 KB Output is correct
50 Correct 271 ms 4968 KB Output is correct
51 Correct 1060 ms 4092 KB Output is correct
52 Correct 536 ms 3808 KB Output is correct
53 Correct 98 ms 4324 KB Output is correct
54 Correct 443 ms 3600 KB Output is correct
55 Correct 672 ms 3784 KB Output is correct
56 Correct 13 ms 2408 KB Output is correct
57 Correct 197 ms 4124 KB Output is correct
58 Correct 54 ms 2892 KB Output is correct
59 Correct 275 ms 4008 KB Output is correct
60 Correct 424 ms 3480 KB Output is correct
61 Correct 100 ms 3940 KB Output is correct
62 Correct 691 ms 3560 KB Output is correct
63 Correct 673 ms 3680 KB Output is correct
64 Correct 13 ms 2408 KB Output is correct
65 Correct 697 ms 3660 KB Output is correct
66 Correct 704 ms 3668 KB Output is correct
67 Correct 693 ms 3668 KB Output is correct
68 Correct 692 ms 3624 KB Output is correct
69 Correct 682 ms 3652 KB Output is correct
70 Correct 706 ms 3904 KB Output is correct
71 Correct 586 ms 19652 KB Output is correct
72 Correct 792 ms 28416 KB Output is correct
73 Correct 1842 ms 39600 KB Output is correct
74 Execution timed out 2102 ms 39784 KB Time limit exceeded
75 Halted 0 ms 0 KB -