oj.uz

Submission #972075

# Submission time Handle Problem Language Result Execution time Memory
972075 2024-04-30T03:45:34 Z Whisper Lamps (JOI19_lamps) C++17
100 / 100
 113 ms 67196 KB 
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

#define int long long
#define FOR(i, a, b) for (int i = a; i <= b; i++)
#define FORD(i, a, b) for (int i = b; i >= a; i --)
#define REP(i, n) for (int i = 0; i < n; ++i)
#define REPD(i, n) for (int i = n - 1; i >= 0; --i)

#define MASK(i) (1LL << (i))
#define BIT(x, i) (((x) >> (i)) & 1)

constexpr ll LINF = (1ll << 60);
constexpr int INF = (1ll << 30);
constexpr int Mod = 1e9 + 7;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

void setupIO(){
    #define name "Whisper"
    //Phu Trong from Nguyen Tat Thanh High School for gifted student
    srand(time(NULL));
    cin.tie(nullptr)->sync_with_stdio(false); cout.tie(nullptr);
    //freopen(name".inp", "r", stdin);
    //freopen(name".out", "w", stdout);
    cout << fixed << setprecision(10);
}

template <class X, class Y>
    bool minimize(X &x, const Y &y){
        X eps = 1e-9;
        if (x > y + eps) {x = y; return 1;}
        return 0;
    }

template <class X, class Y>
    bool maximize(X &x, const Y &y){
        X eps = 1e-9;
        if (x + eps < y) {x = y; return 1;}
        return 0;
    }
int nArr;
string s, t;
const int MAX = 1e6 + 5;
int dp[MAX][2][3];

#define NOT 0
#define OFF 1
#define ON 2

int A[MAX], B[MAX];
void Whisper(){
    cin >> nArr >> s >> t;
    FOR(i, 1, nArr) A[i] = (s[i - 1] - '0');
    FOR(i, 1, nArr) B[i] = (t[i - 1] - '0');
    memset(dp, 0x3f, sizeof dp);
    dp[0][0][0] = 0;
    REP(i, nArr) REP(state, 2) REP(k, 3) REP(nxt_state, 2) REP(v, 3){
        int bit;
        if (v == NOT) bit = A[i + 1];
        else bit = v - 1;
        if(nxt_state) bit ^= 1;
        if(bit == B[i + 1])
            minimize(dp[i + 1][nxt_state][v], dp[i][state][k] + (k != v && v > 0) + (state < nxt_state));
    }
    int ans = INF;
    REP(state, 2) REP(k, 3) minimize(ans, dp[nArr][state][k]);
    cout << ans;
}


signed main(){
    setupIO();
    int Test = 1;
//    cin >> Test;
    for ( int i = 1 ; i <= Test ; i++ ){
        Whisper();
        if (i < Test) cout << '\n';
    }
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 50524 KB Output is correct
2 Correct 11 ms 50408 KB Output is correct
3 Correct 11 ms 50524 KB Output is correct
4 Correct 11 ms 50524 KB Output is correct
5 Correct 11 ms 50524 KB Output is correct
6 Correct 12 ms 50524 KB Output is correct
7 Correct 11 ms 50524 KB Output is correct
8 Correct 11 ms 50524 KB Output is correct
9 Correct 12 ms 50480 KB Output is correct
10 Correct 11 ms 50524 KB Output is correct
11 Correct 11 ms 50524 KB Output is correct
12 Correct 11 ms 50388 KB Output is correct
13 Correct 11 ms 50520 KB Output is correct
14 Correct 11 ms 50412 KB Output is correct
15 Correct 12 ms 50520 KB Output is correct
16 Correct 11 ms 50524 KB Output is correct
17 Correct 12 ms 50524 KB Output is correct
18 Correct 11 ms 50472 KB Output is correct
19 Correct 11 ms 50524 KB Output is correct
20 Correct 12 ms 50568 KB Output is correct
21 Correct 12 ms 50520 KB Output is correct
22 Correct 11 ms 50524 KB Output is correct
23 Correct 11 ms 50524 KB Output is correct
24 Correct 11 ms 50380 KB Output is correct
25 Correct 11 ms 50524 KB Output is correct
26 Correct 12 ms 50524 KB Output is correct
27 Correct 12 ms 50396 KB Output is correct
28 Correct 12 ms 50520 KB Output is correct
29 Correct 12 ms 50524 KB Output is correct
30 Correct 12 ms 50524 KB Output is correct
31 Correct 11 ms 50524 KB Output is correct
32 Correct 11 ms 50524 KB Output is correct
33 Correct 11 ms 50608 KB Output is correct
34 Correct 11 ms 50520 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 50524 KB Output is correct
2 Correct 11 ms 50408 KB Output is correct
3 Correct 11 ms 50524 KB Output is correct
4 Correct 11 ms 50524 KB Output is correct
5 Correct 11 ms 50524 KB Output is correct
6 Correct 12 ms 50524 KB Output is correct
7 Correct 11 ms 50524 KB Output is correct
8 Correct 11 ms 50524 KB Output is correct
9 Correct 12 ms 50480 KB Output is correct
10 Correct 11 ms 50524 KB Output is correct
11 Correct 11 ms 50524 KB Output is correct
12 Correct 11 ms 50388 KB Output is correct
13 Correct 11 ms 50520 KB Output is correct
14 Correct 11 ms 50412 KB Output is correct
15 Correct 12 ms 50520 KB Output is correct
16 Correct 11 ms 50524 KB Output is correct
17 Correct 12 ms 50524 KB Output is correct
18 Correct 11 ms 50472 KB Output is correct
19 Correct 11 ms 50524 KB Output is correct
20 Correct 12 ms 50568 KB Output is correct
21 Correct 12 ms 50520 KB Output is correct
22 Correct 11 ms 50524 KB Output is correct
23 Correct 11 ms 50524 KB Output is correct
24 Correct 11 ms 50380 KB Output is correct
25 Correct 11 ms 50524 KB Output is correct
26 Correct 12 ms 50524 KB Output is correct
27 Correct 12 ms 50396 KB Output is correct
28 Correct 12 ms 50520 KB Output is correct
29 Correct 12 ms 50524 KB Output is correct
30 Correct 12 ms 50524 KB Output is correct
31 Correct 11 ms 50524 KB Output is correct
32 Correct 11 ms 50524 KB Output is correct
33 Correct 11 ms 50608 KB Output is correct
34 Correct 11 ms 50520 KB Output is correct
35 Correct 11 ms 50520 KB Output is correct
36 Correct 12 ms 50524 KB Output is correct
37 Correct 12 ms 50524 KB Output is correct
38 Correct 13 ms 50524 KB Output is correct
39 Correct 12 ms 50524 KB Output is correct
40 Correct 12 ms 50520 KB Output is correct
41 Correct 12 ms 50524 KB Output is correct
42 Correct 12 ms 50472 KB Output is correct
43 Correct 12 ms 50524 KB Output is correct
44 Correct 11 ms 50524 KB Output is correct
45 Correct 11 ms 50524 KB Output is correct
46 Correct 11 ms 50524 KB Output is correct
47 Correct 13 ms 50560 KB Output is correct
48 Correct 11 ms 50524 KB Output is correct
49 Correct 12 ms 50524 KB Output is correct
50 Correct 11 ms 50524 KB Output is correct
51 Correct 12 ms 50524 KB Output is correct
52 Correct 11 ms 50524 KB Output is correct
53 Correct 12 ms 50524 KB Output is correct
54 Correct 11 ms 50524 KB Output is correct
55 Correct 12 ms 50476 KB Output is correct
56 Correct 12 ms 50524 KB Output is correct
57 Correct 12 ms 50456 KB Output is correct
58 Correct 13 ms 50524 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 50524 KB Output is correct
2 Correct 11 ms 50524 KB Output is correct
3 Correct 11 ms 50524 KB Output is correct
4 Correct 12 ms 50520 KB Output is correct
5 Correct 12 ms 50480 KB Output is correct
6 Correct 12 ms 50524 KB Output is correct
7 Correct 80 ms 65196 KB Output is correct
8 Correct 91 ms 65192 KB Output is correct
9 Correct 89 ms 64944 KB Output is correct
10 Correct 94 ms 65040 KB Output is correct
11 Correct 89 ms 65172 KB Output is correct
12 Correct 92 ms 65184 KB Output is correct
13 Correct 83 ms 64940 KB Output is correct
14 Correct 83 ms 65196 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 50524 KB Output is correct
2 Correct 11 ms 50408 KB Output is correct
3 Correct 11 ms 50524 KB Output is correct
4 Correct 11 ms 50524 KB Output is correct
5 Correct 11 ms 50524 KB Output is correct
6 Correct 12 ms 50524 KB Output is correct
7 Correct 11 ms 50524 KB Output is correct
8 Correct 11 ms 50524 KB Output is correct
9 Correct 12 ms 50480 KB Output is correct
10 Correct 11 ms 50524 KB Output is correct
11 Correct 11 ms 50524 KB Output is correct
12 Correct 11 ms 50388 KB Output is correct
13 Correct 11 ms 50520 KB Output is correct
14 Correct 11 ms 50412 KB Output is correct
15 Correct 12 ms 50520 KB Output is correct
16 Correct 11 ms 50524 KB Output is correct
17 Correct 12 ms 50524 KB Output is correct
18 Correct 11 ms 50472 KB Output is correct
19 Correct 11 ms 50524 KB Output is correct
20 Correct 12 ms 50568 KB Output is correct
21 Correct 12 ms 50520 KB Output is correct
22 Correct 11 ms 50524 KB Output is correct
23 Correct 11 ms 50524 KB Output is correct
24 Correct 11 ms 50380 KB Output is correct
25 Correct 11 ms 50524 KB Output is correct
26 Correct 12 ms 50524 KB Output is correct
27 Correct 12 ms 50396 KB Output is correct
28 Correct 12 ms 50520 KB Output is correct
29 Correct 12 ms 50524 KB Output is correct
30 Correct 12 ms 50524 KB Output is correct
31 Correct 11 ms 50524 KB Output is correct
32 Correct 11 ms 50524 KB Output is correct
33 Correct 11 ms 50608 KB Output is correct
34 Correct 11 ms 50520 KB Output is correct
35 Correct 11 ms 50520 KB Output is correct
36 Correct 12 ms 50524 KB Output is correct
37 Correct 12 ms 50524 KB Output is correct
38 Correct 13 ms 50524 KB Output is correct
39 Correct 12 ms 50524 KB Output is correct
40 Correct 12 ms 50520 KB Output is correct
41 Correct 12 ms 50524 KB Output is correct
42 Correct 12 ms 50472 KB Output is correct
43 Correct 12 ms 50524 KB Output is correct
44 Correct 11 ms 50524 KB Output is correct
45 Correct 11 ms 50524 KB Output is correct
46 Correct 11 ms 50524 KB Output is correct
47 Correct 13 ms 50560 KB Output is correct
48 Correct 11 ms 50524 KB Output is correct
49 Correct 12 ms 50524 KB Output is correct
50 Correct 11 ms 50524 KB Output is correct
51 Correct 12 ms 50524 KB Output is correct
52 Correct 11 ms 50524 KB Output is correct
53 Correct 12 ms 50524 KB Output is correct
54 Correct 11 ms 50524 KB Output is correct
55 Correct 12 ms 50476 KB Output is correct
56 Correct 12 ms 50524 KB Output is correct
57 Correct 12 ms 50456 KB Output is correct
58 Correct 13 ms 50524 KB Output is correct
59 Correct 11 ms 50524 KB Output is correct
60 Correct 11 ms 50524 KB Output is correct
61 Correct 11 ms 50524 KB Output is correct
62 Correct 12 ms 50520 KB Output is correct
63 Correct 12 ms 50480 KB Output is correct
64 Correct 12 ms 50524 KB Output is correct
65 Correct 80 ms 65196 KB Output is correct
66 Correct 91 ms 65192 KB Output is correct
67 Correct 89 ms 64944 KB Output is correct
68 Correct 94 ms 65040 KB Output is correct
69 Correct 89 ms 65172 KB Output is correct
70 Correct 92 ms 65184 KB Output is correct
71 Correct 83 ms 64940 KB Output is correct
72 Correct 83 ms 65196 KB Output is correct
73 Correct 93 ms 66992 KB Output is correct
74 Correct 86 ms 67140 KB Output is correct
75 Correct 94 ms 66996 KB Output is correct
76 Correct 89 ms 67144 KB Output is correct
77 Correct 87 ms 66980 KB Output is correct
78 Correct 87 ms 66976 KB Output is correct
79 Correct 89 ms 67124 KB Output is correct
80 Correct 92 ms 66980 KB Output is correct
81 Correct 88 ms 66980 KB Output is correct
82 Correct 88 ms 67128 KB Output is correct
83 Correct 98 ms 66984 KB Output is correct
84 Correct 97 ms 66980 KB Output is correct
85 Correct 98 ms 67196 KB Output is correct
86 Correct 98 ms 66988 KB Output is correct
87 Correct 100 ms 66988 KB Output is correct
88 Correct 98 ms 67120 KB Output is correct
89 Correct 99 ms 66976 KB Output is correct
90 Correct 101 ms 67128 KB Output is correct
91 Correct 105 ms 67128 KB Output is correct
92 Correct 109 ms 67064 KB Output is correct
93 Correct 109 ms 66980 KB Output is correct
94 Correct 109 ms 66988 KB Output is correct
95 Correct 108 ms 66976 KB Output is correct
96 Correct 108 ms 66980 KB Output is correct
97 Correct 113 ms 67124 KB Output is correct
98 Correct 109 ms 67128 KB Output is correct
99 Correct 108 ms 66924 KB Output is correct
100 Correct 108 ms 66976 KB Output is correct
101 Correct 110 ms 66976 KB Output is correct
102 Correct 109 ms 66984 KB Output is correct