답안 #378727

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
378727	2021-03-17T03:34:27 Z	VROOM_VARUN	Lamps (JOI19_lamps)	C++14	100 / 100	384 ms	207976 KB

lamp

/*
ID: varunra2
LANG: C++
TASK: lamps
*/

#include <bits/stdc++.h>
using namespace std;

#ifdef DEBUG
#include "lib/debug.h"
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#define debug_arr(...) \
  cerr << "[" << #__VA_ARGS__ << "]:", debug_arr(__VA_ARGS__)
#pragma GCC diagnostic ignored "-Wsign-compare"
//#pragma GCC diagnostic ignored "-Wunused-parameter"
//#pragma GCC diagnostic ignored "-Wunused-variable"
#else
#define debug(...) 42
#endif

#define EPS 1e-9
#define IN(A, B, C) assert(B <= A && A <= C)
#define INF (int)1e9
#define MEM(a, b) memset(a, (b), sizeof(a))
#define MOD 1000000007
#define MP make_pair
#define PB push_back
#define all(cont) cont.begin(), cont.end()
#define rall(cont) cont.end(), cont.begin()
#define x first
#define y second

const double PI = acos(-1.0);
typedef long long ll;
typedef long double ld;
typedef pair<int, int> PII;
typedef map<int, int> MPII;
typedef multiset<int> MSETI;
typedef set<int> SETI;
typedef set<string> SETS;
typedef vector<int> VI;
typedef vector<PII> VII;
typedef vector<VI> VVI;
typedef vector<string> VS;

#define rep(i, a, b) for (int i = a; i < (b); ++i)
#define trav(a, x) for (auto& a : x)
#define sz(x) (int)(x).size()
typedef pair<int, int> pii;
typedef vector<int> vi;
#pragma GCC diagnostic ignored "-Wsign-compare"
// util functions

VI conv(string a) {
  VI ret;
  ret.PB(0);
  trav(x, a) {
    if (x == '0')
      ret.PB(0);
    else
      ret.PB(1);
  }
  return ret;
}

int calc(int j, int k, int val) {
  if (j == 1) val = 0;
  if (j == 2) val = 1;
  if (k) val ^= 1;
  return val;
}

int main() {
  // #ifndef ONLINE_JUDGE
  // freopen("lamps.in", "r", stdin);
  // freopen("lamps.out", "w", stdout);
  // #endif
  cin.sync_with_stdio(0);
  cin.tie(0);

  int n;
  string a, b;
  cin >> n;
  cin >> a >> b;

  n++;

  auto va = conv(a);
  auto vb = conv(b);

  vector<VVI> dp(n, VVI(3, VI(2, INF)));

  dp[0][0][0] = 0;

  for (int i = 1; i < n; i++) {
    for (int j = 0; j < 3; j++) {
      for (int k = 0; k < 2; k++) {
        if (calc(j, k, va[i]) == vb[i]) {
          for (int l = 0; l < 3; l++) {
            for (int m = 0; m < 2; m++) {
              int cost1 = 0;
              if (j != 0 and l != j) cost1 = 1;
              int cost2 = 0;
              if (k == 1 and m == 0) cost2 = 1;
              dp[i][j][k] = min(dp[i][j][k], dp[i - 1][l][m] + cost1 + cost2);
            }
          }
        }
      }
    }
  }

  int ret = INF;

  for (int i = 0; i < 3; i++) {
    for (int j = 0; j < 2; j++) {
      ret = min(ret, dp[n - 1][i][j]);
    }
  }

  cout << ret << '\n';

  return 0;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	500 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	392 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	396 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	236 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	500 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	392 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	396 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	236 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	748 KB	Output is correct
36	Correct	1 ms	748 KB	Output is correct
37	Correct	1 ms	748 KB	Output is correct
38	Correct	1 ms	748 KB	Output is correct
39	Correct	1 ms	748 KB	Output is correct
40	Correct	2 ms	748 KB	Output is correct
41	Correct	1 ms	748 KB	Output is correct
42	Correct	2 ms	748 KB	Output is correct
43	Correct	2 ms	748 KB	Output is correct
44	Correct	1 ms	748 KB	Output is correct
45	Correct	2 ms	748 KB	Output is correct
46	Correct	1 ms	748 KB	Output is correct
47	Correct	1 ms	748 KB	Output is correct
48	Correct	1 ms	748 KB	Output is correct
49	Correct	1 ms	748 KB	Output is correct
50	Correct	2 ms	748 KB	Output is correct
51	Correct	2 ms	748 KB	Output is correct
52	Correct	1 ms	748 KB	Output is correct
53	Correct	1 ms	748 KB	Output is correct
54	Correct	1 ms	748 KB	Output is correct
55	Correct	1 ms	748 KB	Output is correct
56	Correct	1 ms	748 KB	Output is correct
57	Correct	1 ms	748 KB	Output is correct
58	Correct	2 ms	748 KB	Output is correct

Subtask #3
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	360 ms	207956 KB	Output is correct
8	Correct	359 ms	207892 KB	Output is correct
9	Correct	377 ms	207956 KB	Output is correct
10	Correct	362 ms	207828 KB	Output is correct
11	Correct	360 ms	207780 KB	Output is correct
12	Correct	352 ms	207928 KB	Output is correct
13	Correct	358 ms	207764 KB	Output is correct
14	Correct	360 ms	207828 KB	Output is correct

Subtask #4
49.0 / 49.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	500 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	392 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	396 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	236 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	748 KB	Output is correct
36	Correct	1 ms	748 KB	Output is correct
37	Correct	1 ms	748 KB	Output is correct
38	Correct	1 ms	748 KB	Output is correct
39	Correct	1 ms	748 KB	Output is correct
40	Correct	2 ms	748 KB	Output is correct
41	Correct	1 ms	748 KB	Output is correct
42	Correct	2 ms	748 KB	Output is correct
43	Correct	2 ms	748 KB	Output is correct
44	Correct	1 ms	748 KB	Output is correct
45	Correct	2 ms	748 KB	Output is correct
46	Correct	1 ms	748 KB	Output is correct
47	Correct	1 ms	748 KB	Output is correct
48	Correct	1 ms	748 KB	Output is correct
49	Correct	1 ms	748 KB	Output is correct
50	Correct	2 ms	748 KB	Output is correct
51	Correct	2 ms	748 KB	Output is correct
52	Correct	1 ms	748 KB	Output is correct
53	Correct	1 ms	748 KB	Output is correct
54	Correct	1 ms	748 KB	Output is correct
55	Correct	1 ms	748 KB	Output is correct
56	Correct	1 ms	748 KB	Output is correct
57	Correct	1 ms	748 KB	Output is correct
58	Correct	2 ms	748 KB	Output is correct
59	Correct	1 ms	364 KB	Output is correct
60	Correct	1 ms	364 KB	Output is correct
61	Correct	1 ms	364 KB	Output is correct
62	Correct	1 ms	364 KB	Output is correct
63	Correct	1 ms	364 KB	Output is correct
64	Correct	1 ms	364 KB	Output is correct
65	Correct	360 ms	207956 KB	Output is correct
66	Correct	359 ms	207892 KB	Output is correct
67	Correct	377 ms	207956 KB	Output is correct
68	Correct	362 ms	207828 KB	Output is correct
69	Correct	360 ms	207780 KB	Output is correct
70	Correct	352 ms	207928 KB	Output is correct
71	Correct	358 ms	207764 KB	Output is correct
72	Correct	360 ms	207828 KB	Output is correct
73	Correct	355 ms	207828 KB	Output is correct
74	Correct	362 ms	207904 KB	Output is correct
75	Correct	362 ms	207892 KB	Output is correct
76	Correct	366 ms	207828 KB	Output is correct
77	Correct	356 ms	207828 KB	Output is correct
78	Correct	356 ms	207956 KB	Output is correct
79	Correct	353 ms	207828 KB	Output is correct
80	Correct	362 ms	207828 KB	Output is correct
81	Correct	381 ms	207956 KB	Output is correct
82	Correct	355 ms	207956 KB	Output is correct
83	Correct	365 ms	207828 KB	Output is correct
84	Correct	366 ms	207956 KB	Output is correct
85	Correct	363 ms	207956 KB	Output is correct
86	Correct	362 ms	207956 KB	Output is correct
87	Correct	362 ms	207828 KB	Output is correct
88	Correct	367 ms	207828 KB	Output is correct
89	Correct	363 ms	207828 KB	Output is correct
90	Correct	364 ms	207828 KB	Output is correct
91	Correct	369 ms	207828 KB	Output is correct
92	Correct	373 ms	207852 KB	Output is correct
93	Correct	368 ms	207828 KB	Output is correct
94	Correct	370 ms	207828 KB	Output is correct
95	Correct	371 ms	207828 KB	Output is correct
96	Correct	384 ms	207976 KB	Output is correct
97	Correct	369 ms	207956 KB	Output is correct
98	Correct	381 ms	207892 KB	Output is correct
99	Correct	371 ms	207828 KB	Output is correct
100	Correct	368 ms	207828 KB	Output is correct
101	Correct	372 ms	207828 KB	Output is correct
102	Correct	373 ms	207828 KB	Output is correct

답안 #378727

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 41.0 / 41.0

Subtask #3 4.0 / 4.0

Subtask #4 49.0 / 49.0

Subtask #1
6.0 / 6.0

Subtask #2
41.0 / 41.0

Subtask #3
4.0 / 4.0

Subtask #4
49.0 / 49.0