Submission #1013942

# Submission time Handle Problem Language Result Execution time Memory
1013942 2024-07-04T08:30:21 Z vjudge1 Lamps (JOI19_lamps) C++17
100 / 100
63 ms 51464 KB
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx,avx2,bmi,bmi2,fma,popcnt")
#include<bits/stdc++.h>
using namespace std;
#define int long long
int n, dp[1000005][3][2];
string a, b;
inline void upd(int& a, int b) {a=min(a, b);}
 
void solve() {
    cin >> n >> a >> b;
    for (char &i:a) i-='0';
    for (char &i:b) i-='0';
    a = ' ' + a, b = ' ' + b;
    memset(dp, 0x3f, sizeof(dp));
    int inf = dp[0][2][0]; dp[0][2][0]=0;
    for (int i = 0; i < n; i++)
        for (int j = 0; j < 3; j++)
            for (int k = 0; k < 2; k++)
                for (int j1 = 0; j1 < 3; j1++)
                    for (int k1 = 0; k1 < 2; k1++)
                        if (k1^(j1<2?j1:a[i+1])==b[i+1])
                            upd(dp[i+1][j1][k1], k1^(j1<2?j1:a[i+1])==b[i+1] ? dp[i][j][k] + (j1<2 && j!=j1) + (k1==1 && k!=k1) : inf);
    int res=inf;
    for (int i=0; i<3; i++)
        for (int j=0; j<2; j++)
            upd(res, dp[n][i][j]);
    cout << res;
}
 
signed main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    solve();
}

Compilation message

lamp.cpp: In function 'void solve()':
lamp.cpp:22:48: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
   22 |                         if (k1^(j1<2?j1:a[i+1])==b[i+1])
lamp.cpp:23:69: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
   23 |                             upd(dp[i+1][j1][k1], k1^(j1<2?j1:a[i+1])==b[i+1] ? dp[i][j][k] + (j1<2 && j!=j1) + (k1==1 && k!=k1) : inf);
# Verdict Execution time Memory Grader output
1 Correct 21 ms 47328 KB Output is correct
2 Correct 19 ms 47188 KB Output is correct
3 Correct 19 ms 47196 KB Output is correct
4 Correct 20 ms 47192 KB Output is correct
5 Correct 19 ms 47196 KB Output is correct
6 Correct 20 ms 47264 KB Output is correct
7 Correct 20 ms 47356 KB Output is correct
8 Correct 20 ms 47196 KB Output is correct
9 Correct 18 ms 47192 KB Output is correct
10 Correct 18 ms 47424 KB Output is correct
11 Correct 18 ms 47196 KB Output is correct
12 Correct 19 ms 47196 KB Output is correct
13 Correct 18 ms 47196 KB Output is correct
14 Correct 17 ms 47196 KB Output is correct
15 Correct 17 ms 47448 KB Output is correct
16 Correct 18 ms 47196 KB Output is correct
17 Correct 19 ms 47320 KB Output is correct
18 Correct 18 ms 47192 KB Output is correct
19 Correct 17 ms 47196 KB Output is correct
20 Correct 17 ms 47308 KB Output is correct
21 Correct 17 ms 47196 KB Output is correct
22 Correct 19 ms 47260 KB Output is correct
23 Correct 21 ms 47304 KB Output is correct
24 Correct 17 ms 47196 KB Output is correct
25 Correct 18 ms 47412 KB Output is correct
26 Correct 20 ms 47196 KB Output is correct
27 Correct 20 ms 47196 KB Output is correct
28 Correct 19 ms 47196 KB Output is correct
29 Correct 24 ms 47192 KB Output is correct
30 Correct 20 ms 47196 KB Output is correct
31 Correct 21 ms 47336 KB Output is correct
32 Correct 19 ms 47308 KB Output is correct
33 Correct 19 ms 47196 KB Output is correct
34 Correct 18 ms 47396 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 21 ms 47328 KB Output is correct
2 Correct 19 ms 47188 KB Output is correct
3 Correct 19 ms 47196 KB Output is correct
4 Correct 20 ms 47192 KB Output is correct
5 Correct 19 ms 47196 KB Output is correct
6 Correct 20 ms 47264 KB Output is correct
7 Correct 20 ms 47356 KB Output is correct
8 Correct 20 ms 47196 KB Output is correct
9 Correct 18 ms 47192 KB Output is correct
10 Correct 18 ms 47424 KB Output is correct
11 Correct 18 ms 47196 KB Output is correct
12 Correct 19 ms 47196 KB Output is correct
13 Correct 18 ms 47196 KB Output is correct
14 Correct 17 ms 47196 KB Output is correct
15 Correct 17 ms 47448 KB Output is correct
16 Correct 18 ms 47196 KB Output is correct
17 Correct 19 ms 47320 KB Output is correct
18 Correct 18 ms 47192 KB Output is correct
19 Correct 17 ms 47196 KB Output is correct
20 Correct 17 ms 47308 KB Output is correct
21 Correct 17 ms 47196 KB Output is correct
22 Correct 19 ms 47260 KB Output is correct
23 Correct 21 ms 47304 KB Output is correct
24 Correct 17 ms 47196 KB Output is correct
25 Correct 18 ms 47412 KB Output is correct
26 Correct 20 ms 47196 KB Output is correct
27 Correct 20 ms 47196 KB Output is correct
28 Correct 19 ms 47196 KB Output is correct
29 Correct 24 ms 47192 KB Output is correct
30 Correct 20 ms 47196 KB Output is correct
31 Correct 21 ms 47336 KB Output is correct
32 Correct 19 ms 47308 KB Output is correct
33 Correct 19 ms 47196 KB Output is correct
34 Correct 18 ms 47396 KB Output is correct
35 Correct 20 ms 47192 KB Output is correct
36 Correct 25 ms 47184 KB Output is correct
37 Correct 20 ms 47192 KB Output is correct
38 Correct 21 ms 47196 KB Output is correct
39 Correct 20 ms 47196 KB Output is correct
40 Correct 19 ms 47320 KB Output is correct
41 Correct 23 ms 47180 KB Output is correct
42 Correct 20 ms 47196 KB Output is correct
43 Correct 20 ms 47188 KB Output is correct
44 Correct 26 ms 47196 KB Output is correct
45 Correct 19 ms 47196 KB Output is correct
46 Correct 18 ms 47196 KB Output is correct
47 Correct 18 ms 47196 KB Output is correct
48 Correct 17 ms 47196 KB Output is correct
49 Correct 25 ms 47196 KB Output is correct
50 Correct 19 ms 47196 KB Output is correct
51 Correct 19 ms 47196 KB Output is correct
52 Correct 19 ms 47196 KB Output is correct
53 Correct 16 ms 47192 KB Output is correct
54 Correct 20 ms 47196 KB Output is correct
55 Correct 28 ms 47184 KB Output is correct
56 Correct 21 ms 47196 KB Output is correct
57 Correct 21 ms 47184 KB Output is correct
58 Correct 20 ms 47192 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 26 ms 47196 KB Output is correct
2 Correct 20 ms 47196 KB Output is correct
3 Correct 22 ms 47196 KB Output is correct
4 Correct 19 ms 47244 KB Output is correct
5 Correct 21 ms 47192 KB Output is correct
6 Correct 20 ms 47264 KB Output is correct
7 Correct 40 ms 51380 KB Output is correct
8 Correct 39 ms 51448 KB Output is correct
9 Correct 41 ms 51284 KB Output is correct
10 Correct 39 ms 51240 KB Output is correct
11 Correct 37 ms 51452 KB Output is correct
12 Correct 36 ms 51328 KB Output is correct
13 Correct 37 ms 51452 KB Output is correct
14 Correct 41 ms 51444 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 21 ms 47328 KB Output is correct
2 Correct 19 ms 47188 KB Output is correct
3 Correct 19 ms 47196 KB Output is correct
4 Correct 20 ms 47192 KB Output is correct
5 Correct 19 ms 47196 KB Output is correct
6 Correct 20 ms 47264 KB Output is correct
7 Correct 20 ms 47356 KB Output is correct
8 Correct 20 ms 47196 KB Output is correct
9 Correct 18 ms 47192 KB Output is correct
10 Correct 18 ms 47424 KB Output is correct
11 Correct 18 ms 47196 KB Output is correct
12 Correct 19 ms 47196 KB Output is correct
13 Correct 18 ms 47196 KB Output is correct
14 Correct 17 ms 47196 KB Output is correct
15 Correct 17 ms 47448 KB Output is correct
16 Correct 18 ms 47196 KB Output is correct
17 Correct 19 ms 47320 KB Output is correct
18 Correct 18 ms 47192 KB Output is correct
19 Correct 17 ms 47196 KB Output is correct
20 Correct 17 ms 47308 KB Output is correct
21 Correct 17 ms 47196 KB Output is correct
22 Correct 19 ms 47260 KB Output is correct
23 Correct 21 ms 47304 KB Output is correct
24 Correct 17 ms 47196 KB Output is correct
25 Correct 18 ms 47412 KB Output is correct
26 Correct 20 ms 47196 KB Output is correct
27 Correct 20 ms 47196 KB Output is correct
28 Correct 19 ms 47196 KB Output is correct
29 Correct 24 ms 47192 KB Output is correct
30 Correct 20 ms 47196 KB Output is correct
31 Correct 21 ms 47336 KB Output is correct
32 Correct 19 ms 47308 KB Output is correct
33 Correct 19 ms 47196 KB Output is correct
34 Correct 18 ms 47396 KB Output is correct
35 Correct 20 ms 47192 KB Output is correct
36 Correct 25 ms 47184 KB Output is correct
37 Correct 20 ms 47192 KB Output is correct
38 Correct 21 ms 47196 KB Output is correct
39 Correct 20 ms 47196 KB Output is correct
40 Correct 19 ms 47320 KB Output is correct
41 Correct 23 ms 47180 KB Output is correct
42 Correct 20 ms 47196 KB Output is correct
43 Correct 20 ms 47188 KB Output is correct
44 Correct 26 ms 47196 KB Output is correct
45 Correct 19 ms 47196 KB Output is correct
46 Correct 18 ms 47196 KB Output is correct
47 Correct 18 ms 47196 KB Output is correct
48 Correct 17 ms 47196 KB Output is correct
49 Correct 25 ms 47196 KB Output is correct
50 Correct 19 ms 47196 KB Output is correct
51 Correct 19 ms 47196 KB Output is correct
52 Correct 19 ms 47196 KB Output is correct
53 Correct 16 ms 47192 KB Output is correct
54 Correct 20 ms 47196 KB Output is correct
55 Correct 28 ms 47184 KB Output is correct
56 Correct 21 ms 47196 KB Output is correct
57 Correct 21 ms 47184 KB Output is correct
58 Correct 20 ms 47192 KB Output is correct
59 Correct 26 ms 47196 KB Output is correct
60 Correct 20 ms 47196 KB Output is correct
61 Correct 22 ms 47196 KB Output is correct
62 Correct 19 ms 47244 KB Output is correct
63 Correct 21 ms 47192 KB Output is correct
64 Correct 20 ms 47264 KB Output is correct
65 Correct 40 ms 51380 KB Output is correct
66 Correct 39 ms 51448 KB Output is correct
67 Correct 41 ms 51284 KB Output is correct
68 Correct 39 ms 51240 KB Output is correct
69 Correct 37 ms 51452 KB Output is correct
70 Correct 36 ms 51328 KB Output is correct
71 Correct 37 ms 51452 KB Output is correct
72 Correct 41 ms 51444 KB Output is correct
73 Correct 35 ms 51448 KB Output is correct
74 Correct 35 ms 51444 KB Output is correct
75 Correct 39 ms 51448 KB Output is correct
76 Correct 38 ms 51264 KB Output is correct
77 Correct 37 ms 51372 KB Output is correct
78 Correct 37 ms 51360 KB Output is correct
79 Correct 37 ms 51464 KB Output is correct
80 Correct 38 ms 51452 KB Output is correct
81 Correct 39 ms 51464 KB Output is correct
82 Correct 42 ms 51444 KB Output is correct
83 Correct 41 ms 51448 KB Output is correct
84 Correct 40 ms 51452 KB Output is correct
85 Correct 42 ms 51456 KB Output is correct
86 Correct 43 ms 51400 KB Output is correct
87 Correct 47 ms 51464 KB Output is correct
88 Correct 43 ms 51452 KB Output is correct
89 Correct 38 ms 51448 KB Output is correct
90 Correct 39 ms 51440 KB Output is correct
91 Correct 42 ms 51452 KB Output is correct
92 Correct 42 ms 51464 KB Output is correct
93 Correct 44 ms 51452 KB Output is correct
94 Correct 54 ms 51352 KB Output is correct
95 Correct 44 ms 51452 KB Output is correct
96 Correct 45 ms 51384 KB Output is correct
97 Correct 59 ms 51440 KB Output is correct
98 Correct 44 ms 51456 KB Output is correct
99 Correct 45 ms 51452 KB Output is correct
100 Correct 50 ms 51456 KB Output is correct
101 Correct 63 ms 51456 KB Output is correct
102 Correct 44 ms 51464 KB Output is correct