oj.uz

Submission #369838

# Submission time Handle Problem Language Result Execution time Memory
369838 2021-02-22T15:18:38 Z mario05092929 Lamps (JOI19_lamps) C++11
100 / 100
 213 ms 161076 KB 
#include <bits/stdc++.h>
#define x first
#define y second
#define pb push_back
#define all(v) v.begin(),v.end()
#pragma gcc optimize("O3")
#pragma gcc optimize("Ofast") 
#pragma gcc optimize("unroll-loops")
using namespace std;
const int INF = 1e9;
const int TMX = 1 << 18;
const long long llINF = 1e16;
const long long mod = 998244353;
const long long hashmod = 100003;
const int MAXN = 100000;
const int MAXM = 1000000;
typedef long long ll;
typedef long double ld;
typedef pair <int,int> pi;
typedef pair <ll,ll> pl;
typedef vector <int> vec;
typedef vector <pi> vecpi;
typedef long long ll;
int n,d[1000005][4][2];
// d[i][j][k] : 어떤 st부터 i번 문자까지 k(0 : B와같이, 1 : B역순으로)상태로 만들었고 그 전에 사용한 연산이 j(0 : 아무것도 안함, 1 : 0로 만들기, 2 : 1로 만들기)일때 최소 횟수 
char a[1000005],b[1000005];

int go(int x,int op,int fl) {
	if(x == n+1) return 0;
	if(d[x][op][fl] != -1) return d[x][op][fl];
	int &ret = d[x][op][fl]; ret = INF;
	int na = a[x]-'0', nb = b[x]-'0';
	for(int i = 0;i < 3;i++) {
		for(int j = 0;j < 2;j++) {
			int us = 0,nx = na;
			if(i == 1) nx = 0;
			if(i == 2) nx = 1;
			if(j) nx ^= 1;
			if(op != i&&i) us++;
			if(fl != j&&j) us++;
			if(nx == nb) ret = min(ret,go(x+1,i,j)+us);
		}
	}
	return ret;
}

int main() {
	ios_base::sync_with_stdio(false); cin.tie(0);
	cin >> n >> a+1 >> b+1;
	memset(d,-1,sizeof(d));
	cout << go(1,3,0);
}

Compilation message

lamp.cpp:6: warning: ignoring #pragma gcc optimize [-Wunknown-pragmas]
    6 | #pragma gcc optimize("O3")
      | 
lamp.cpp:7: warning: ignoring #pragma gcc optimize [-Wunknown-pragmas]
    7 | #pragma gcc optimize("Ofast")
      | 
lamp.cpp:8: warning: ignoring #pragma gcc optimize [-Wunknown-pragmas]
    8 | #pragma gcc optimize("unroll-loops")
      | 
lamp.cpp: In function 'int main()':
lamp.cpp:49:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   49 |  cin >> n >> a+1 >> b+1;
      |              ~^~
lamp.cpp:49:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   49 |  cin >> n >> a+1 >> b+1;
      |                     ~^~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 31596 KB Output is correct
2 Correct 16 ms 31596 KB Output is correct
3 Correct 17 ms 31596 KB Output is correct
4 Correct 17 ms 31596 KB Output is correct
5 Correct 17 ms 31596 KB Output is correct
6 Correct 17 ms 31596 KB Output is correct
7 Correct 16 ms 31596 KB Output is correct
8 Correct 17 ms 31596 KB Output is correct
9 Correct 17 ms 31596 KB Output is correct
10 Correct 17 ms 31596 KB Output is correct
11 Correct 17 ms 31596 KB Output is correct
12 Correct 16 ms 31596 KB Output is correct
13 Correct 18 ms 31596 KB Output is correct
14 Correct 17 ms 31596 KB Output is correct
15 Correct 17 ms 31596 KB Output is correct
16 Correct 17 ms 31596 KB Output is correct
17 Correct 18 ms 31724 KB Output is correct
18 Correct 17 ms 31596 KB Output is correct
19 Correct 17 ms 31596 KB Output is correct
20 Correct 17 ms 31596 KB Output is correct
21 Correct 17 ms 31596 KB Output is correct
22 Correct 17 ms 31596 KB Output is correct
23 Correct 17 ms 31596 KB Output is correct
24 Correct 17 ms 31744 KB Output is correct
25 Correct 17 ms 31596 KB Output is correct
26 Correct 19 ms 31596 KB Output is correct
27 Correct 19 ms 31596 KB Output is correct
28 Correct 18 ms 31596 KB Output is correct
29 Correct 17 ms 31596 KB Output is correct
30 Correct 17 ms 31596 KB Output is correct
31 Correct 17 ms 31596 KB Output is correct
32 Correct 17 ms 31596 KB Output is correct
33 Correct 17 ms 31596 KB Output is correct
34 Correct 17 ms 31596 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 31596 KB Output is correct
2 Correct 16 ms 31596 KB Output is correct
3 Correct 17 ms 31596 KB Output is correct
4 Correct 17 ms 31596 KB Output is correct
5 Correct 17 ms 31596 KB Output is correct
6 Correct 17 ms 31596 KB Output is correct
7 Correct 16 ms 31596 KB Output is correct
8 Correct 17 ms 31596 KB Output is correct
9 Correct 17 ms 31596 KB Output is correct
10 Correct 17 ms 31596 KB Output is correct
11 Correct 17 ms 31596 KB Output is correct
12 Correct 16 ms 31596 KB Output is correct
13 Correct 18 ms 31596 KB Output is correct
14 Correct 17 ms 31596 KB Output is correct
15 Correct 17 ms 31596 KB Output is correct
16 Correct 17 ms 31596 KB Output is correct
17 Correct 18 ms 31724 KB Output is correct
18 Correct 17 ms 31596 KB Output is correct
19 Correct 17 ms 31596 KB Output is correct
20 Correct 17 ms 31596 KB Output is correct
21 Correct 17 ms 31596 KB Output is correct
22 Correct 17 ms 31596 KB Output is correct
23 Correct 17 ms 31596 KB Output is correct
24 Correct 17 ms 31744 KB Output is correct
25 Correct 17 ms 31596 KB Output is correct
26 Correct 19 ms 31596 KB Output is correct
27 Correct 19 ms 31596 KB Output is correct
28 Correct 18 ms 31596 KB Output is correct
29 Correct 17 ms 31596 KB Output is correct
30 Correct 17 ms 31596 KB Output is correct
31 Correct 17 ms 31596 KB Output is correct
32 Correct 17 ms 31596 KB Output is correct
33 Correct 17 ms 31596 KB Output is correct
34 Correct 17 ms 31596 KB Output is correct
35 Correct 18 ms 31852 KB Output is correct
36 Correct 16 ms 31852 KB Output is correct
37 Correct 17 ms 31852 KB Output is correct
38 Correct 18 ms 31852 KB Output is correct
39 Correct 17 ms 31852 KB Output is correct
40 Correct 17 ms 31852 KB Output is correct
41 Correct 17 ms 31852 KB Output is correct
42 Correct 17 ms 31852 KB Output is correct
43 Correct 18 ms 31852 KB Output is correct
44 Correct 17 ms 31980 KB Output is correct
45 Correct 17 ms 31872 KB Output is correct
46 Correct 17 ms 31852 KB Output is correct
47 Correct 18 ms 31852 KB Output is correct
48 Correct 17 ms 31852 KB Output is correct
49 Correct 17 ms 31852 KB Output is correct
50 Correct 18 ms 31852 KB Output is correct
51 Correct 17 ms 31852 KB Output is correct
52 Correct 17 ms 31852 KB Output is correct
53 Correct 17 ms 31852 KB Output is correct
54 Correct 18 ms 31852 KB Output is correct
55 Correct 17 ms 31852 KB Output is correct
56 Correct 18 ms 31852 KB Output is correct
57 Correct 18 ms 31852 KB Output is correct
58 Correct 18 ms 31852 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 31596 KB Output is correct
2 Correct 16 ms 31596 KB Output is correct
3 Correct 16 ms 31596 KB Output is correct
4 Correct 17 ms 31596 KB Output is correct
5 Correct 17 ms 31596 KB Output is correct
6 Correct 17 ms 31596 KB Output is correct
7 Correct 187 ms 160932 KB Output is correct
8 Correct 188 ms 160856 KB Output is correct
9 Correct 188 ms 160876 KB Output is correct
10 Correct 189 ms 161004 KB Output is correct
11 Correct 188 ms 160896 KB Output is correct
12 Correct 190 ms 160876 KB Output is correct
13 Correct 190 ms 160876 KB Output is correct
14 Correct 204 ms 160876 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 31596 KB Output is correct
2 Correct 16 ms 31596 KB Output is correct
3 Correct 17 ms 31596 KB Output is correct
4 Correct 17 ms 31596 KB Output is correct
5 Correct 17 ms 31596 KB Output is correct
6 Correct 17 ms 31596 KB Output is correct
7 Correct 16 ms 31596 KB Output is correct
8 Correct 17 ms 31596 KB Output is correct
9 Correct 17 ms 31596 KB Output is correct
10 Correct 17 ms 31596 KB Output is correct
11 Correct 17 ms 31596 KB Output is correct
12 Correct 16 ms 31596 KB Output is correct
13 Correct 18 ms 31596 KB Output is correct
14 Correct 17 ms 31596 KB Output is correct
15 Correct 17 ms 31596 KB Output is correct
16 Correct 17 ms 31596 KB Output is correct
17 Correct 18 ms 31724 KB Output is correct
18 Correct 17 ms 31596 KB Output is correct
19 Correct 17 ms 31596 KB Output is correct
20 Correct 17 ms 31596 KB Output is correct
21 Correct 17 ms 31596 KB Output is correct
22 Correct 17 ms 31596 KB Output is correct
23 Correct 17 ms 31596 KB Output is correct
24 Correct 17 ms 31744 KB Output is correct
25 Correct 17 ms 31596 KB Output is correct
26 Correct 19 ms 31596 KB Output is correct
27 Correct 19 ms 31596 KB Output is correct
28 Correct 18 ms 31596 KB Output is correct
29 Correct 17 ms 31596 KB Output is correct
30 Correct 17 ms 31596 KB Output is correct
31 Correct 17 ms 31596 KB Output is correct
32 Correct 17 ms 31596 KB Output is correct
33 Correct 17 ms 31596 KB Output is correct
34 Correct 17 ms 31596 KB Output is correct
35 Correct 18 ms 31852 KB Output is correct
36 Correct 16 ms 31852 KB Output is correct
37 Correct 17 ms 31852 KB Output is correct
38 Correct 18 ms 31852 KB Output is correct
39 Correct 17 ms 31852 KB Output is correct
40 Correct 17 ms 31852 KB Output is correct
41 Correct 17 ms 31852 KB Output is correct
42 Correct 17 ms 31852 KB Output is correct
43 Correct 18 ms 31852 KB Output is correct
44 Correct 17 ms 31980 KB Output is correct
45 Correct 17 ms 31872 KB Output is correct
46 Correct 17 ms 31852 KB Output is correct
47 Correct 18 ms 31852 KB Output is correct
48 Correct 17 ms 31852 KB Output is correct
49 Correct 17 ms 31852 KB Output is correct
50 Correct 18 ms 31852 KB Output is correct
51 Correct 17 ms 31852 KB Output is correct
52 Correct 17 ms 31852 KB Output is correct
53 Correct 17 ms 31852 KB Output is correct
54 Correct 18 ms 31852 KB Output is correct
55 Correct 17 ms 31852 KB Output is correct
56 Correct 18 ms 31852 KB Output is correct
57 Correct 18 ms 31852 KB Output is correct
58 Correct 18 ms 31852 KB Output is correct
59 Correct 17 ms 31596 KB Output is correct
60 Correct 16 ms 31596 KB Output is correct
61 Correct 16 ms 31596 KB Output is correct
62 Correct 17 ms 31596 KB Output is correct
63 Correct 17 ms 31596 KB Output is correct
64 Correct 17 ms 31596 KB Output is correct
65 Correct 187 ms 160932 KB Output is correct
66 Correct 188 ms 160856 KB Output is correct
67 Correct 188 ms 160876 KB Output is correct
68 Correct 189 ms 161004 KB Output is correct
69 Correct 188 ms 160896 KB Output is correct
70 Correct 190 ms 160876 KB Output is correct
71 Correct 190 ms 160876 KB Output is correct
72 Correct 204 ms 160876 KB Output is correct
73 Correct 186 ms 160876 KB Output is correct
74 Correct 197 ms 160904 KB Output is correct
75 Correct 189 ms 160876 KB Output is correct
76 Correct 185 ms 160876 KB Output is correct
77 Correct 200 ms 160748 KB Output is correct
78 Correct 192 ms 160876 KB Output is correct
79 Correct 186 ms 160876 KB Output is correct
80 Correct 184 ms 160876 KB Output is correct
81 Correct 186 ms 160748 KB Output is correct
82 Correct 187 ms 160876 KB Output is correct
83 Correct 201 ms 160876 KB Output is correct
84 Correct 196 ms 160876 KB Output is correct
85 Correct 196 ms 160876 KB Output is correct
86 Correct 202 ms 160988 KB Output is correct
87 Correct 204 ms 161040 KB Output is correct
88 Correct 199 ms 160876 KB Output is correct
89 Correct 213 ms 161004 KB Output is correct
90 Correct 203 ms 160876 KB Output is correct
91 Correct 201 ms 160876 KB Output is correct
92 Correct 202 ms 161076 KB Output is correct
93 Correct 206 ms 160876 KB Output is correct
94 Correct 205 ms 160876 KB Output is correct
95 Correct 206 ms 160876 KB Output is correct
96 Correct 203 ms 160876 KB Output is correct
97 Correct 207 ms 160876 KB Output is correct
98 Correct 202 ms 160876 KB Output is correct
99 Correct 202 ms 160876 KB Output is correct
100 Correct 203 ms 160876 KB Output is correct
101 Correct 200 ms 160876 KB Output is correct
102 Correct 202 ms 160876 KB Output is correct