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Submission #882955

# Submission time Handle Problem Language Result Execution time Memory
882955 2023-12-04T09:02:39 Z tsumondai Flip it and Stick it (CCO23_day2problem1) C++14
25 / 25
 4 ms 1256 KB 
#include <bits/stdc++.h>
using namespace std;

#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define foru(i, l, r) for(int i = l; i <= r; i++)
#define ford(i, r, l) for(int i = r; i >= l; i--)
#define __TIME  (1.0 * clock() / CLOCKS_PER_SEC)

typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;

const int N = 1e6 + 5;

const int oo = 1e9, mod = 1e9 + 7;

int cc[2];

void process() {
	string s, t; cin >> s >> t;
	int cnt = 0, num = 0, len = (int)t.length(), n = (int)s.length();
	foru(i,0,n-len) cnt += (t == s.substr(i, len));
	foru(i,0,n-1) num += (s[i] == t[0]);
	if (len == 1) {
		if (cnt) cout << -1 << '\n';
		else cout << 0 << '\n';
	}
	else if (len == 2) {
		if (t[0] == t[1] && num > (n + 1) / 2) cout << -1 << '\n';
		else cout << cnt << '\n';
	}
	if (len == 3) {
		if (t[0] != t[2]) cout << cnt << '\n';
		else if (t[0] != t[1]) cout << (cnt + 1) / 2 << '\n';
		else {
			if (num > (2 * (n / 3) + n % 3)) cout << -1 << '\n';
			else {
				int res = 0; s += (t[0] ^ 1);
				vector<int> d;
				int cur = 0;
				foru(i,0,s.length()-1) {
					if (s[i] != t[0]) {
						if (cur <= 1) cc[cur]++;
						else d.push_back(cur);
						cur = 0;
					}
					else cur++;
				}
				for (int x : d) {
					while (x >= 4 && cc[0]) cc[0]--, x -= 2, res++;
					while (x >= 3 && cc[1]) cc[1]--, x--, res++;
					if (x >= 3) {
						cc[0]--;
						res++;
					}
				}
				cout << res << '\n';
			}
		}
	}
}

signed main() {
	cin.tie(0)->sync_with_stdio(false);
	//freopen(".inp", "r", stdin);
	//freopen(".out", "w", stdout);
	process();
	cerr << "Time elapsed: " << __TIME << " s.\n";
	return 0;
}

Compilation message

Main.cpp: In function 'void process()':
Main.cpp:8:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | #define foru(i, l, r) for(int i = l; i <= r; i++)
......
   44 |     foru(i,0,s.length()-1) {
      |          ~~~~~~~~~~~~~~~~               
Main.cpp:44:5: note: in expansion of macro 'foru'
   44 |     foru(i,0,s.length()-1) {
      |     ^~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 2 ms 860 KB Output is correct
4 Correct 2 ms 860 KB Output is correct
5 Correct 2 ms 860 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 2 ms 860 KB Output is correct

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 416 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 352 KB Output is correct
6 Correct 3 ms 860 KB Output is correct
7 Correct 3 ms 860 KB Output is correct
8 Correct 3 ms 860 KB Output is correct
9 Correct 3 ms 860 KB Output is correct
10 Correct 3 ms 844 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 416 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 352 KB Output is correct
6 Correct 3 ms 860 KB Output is correct
7 Correct 3 ms 860 KB Output is correct
8 Correct 3 ms 860 KB Output is correct
9 Correct 3 ms 860 KB Output is correct
10 Correct 3 ms 844 KB Output is correct
11 Correct 0 ms 352 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 600 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 352 KB Output is correct
20 Correct 3 ms 984 KB Output is correct
21 Correct 3 ms 860 KB Output is correct
22 Correct 3 ms 860 KB Output is correct
23 Correct 3 ms 864 KB Output is correct
24 Correct 3 ms 864 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 2 ms 984 KB Output is correct
27 Correct 3 ms 988 KB Output is correct
28 Correct 3 ms 860 KB Output is correct
29 Correct 3 ms 860 KB Output is correct
30 Correct 3 ms 868 KB Output is correct
31 Correct 3 ms 860 KB Output is correct
32 Correct 3 ms 860 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 352 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 556 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 3 ms 860 KB Output is correct
8 Correct 3 ms 980 KB Output is correct
9 Correct 2 ms 1104 KB Output is correct
10 Correct 3 ms 1112 KB Output is correct
11 Correct 3 ms 860 KB Output is correct
12 Correct 3 ms 976 KB Output is correct
13 Correct 2 ms 860 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 420 KB Output is correct
6 Correct 0 ms 460 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 2 ms 892 KB Output is correct
11 Correct 3 ms 976 KB Output is correct
12 Correct 3 ms 892 KB Output is correct
13 Correct 3 ms 860 KB Output is correct
14 Correct 2 ms 860 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 2 ms 888 KB Output is correct
17 Correct 2 ms 860 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 3 ms 860 KB Output is correct
20 Correct 2 ms 860 KB Output is correct
21 Correct 2 ms 860 KB Output is correct
22 Correct 2 ms 1240 KB Output is correct

Subtask #6
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 556 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 3 ms 860 KB Output is correct
8 Correct 3 ms 980 KB Output is correct
9 Correct 2 ms 1104 KB Output is correct
10 Correct 3 ms 1112 KB Output is correct
11 Correct 3 ms 860 KB Output is correct
12 Correct 3 ms 976 KB Output is correct
13 Correct 2 ms 860 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 420 KB Output is correct
19 Correct 0 ms 460 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 2 ms 892 KB Output is correct
24 Correct 3 ms 976 KB Output is correct
25 Correct 3 ms 892 KB Output is correct
26 Correct 3 ms 860 KB Output is correct
27 Correct 2 ms 860 KB Output is correct
28 Correct 3 ms 860 KB Output is correct
29 Correct 2 ms 888 KB Output is correct
30 Correct 2 ms 860 KB Output is correct
31 Correct 3 ms 860 KB Output is correct
32 Correct 3 ms 860 KB Output is correct
33 Correct 2 ms 860 KB Output is correct
34 Correct 2 ms 860 KB Output is correct
35 Correct 2 ms 1240 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 3 ms 860 KB Output is correct
39 Correct 4 ms 996 KB Output is correct
40 Correct 3 ms 860 KB Output is correct
41 Correct 3 ms 860 KB Output is correct
42 Correct 3 ms 860 KB Output is correct
43 Correct 3 ms 860 KB Output is correct
44 Correct 3 ms 868 KB Output is correct
45 Correct 2 ms 868 KB Output is correct
46 Correct 3 ms 1256 KB Output is correct
47 Correct 3 ms 1000 KB Output is correct
48 Correct 4 ms 1132 KB Output is correct
49 Correct 0 ms 356 KB Output is correct
50 Correct 0 ms 352 KB Output is correct
51 Correct 0 ms 352 KB Output is correct
52 Correct 0 ms 360 KB Output is correct
53 Correct 1 ms 352 KB Output is correct
54 Correct 2 ms 984 KB Output is correct
55 Correct 3 ms 988 KB Output is correct
56 Correct 2 ms 868 KB Output is correct
57 Correct 2 ms 868 KB Output is correct
58 Correct 2 ms 868 KB Output is correct
59 Correct 2 ms 984 KB Output is correct
60 Correct 2 ms 860 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 1 ms 348 KB Output is correct
63 Correct 1 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 2 ms 860 KB Output is correct
66 Correct 2 ms 860 KB Output is correct
67 Correct 2 ms 860 KB Output is correct
68 Correct 2 ms 860 KB Output is correct
69 Correct 3 ms 860 KB Output is correct
70 Correct 3 ms 860 KB Output is correct
71 Correct 3 ms 860 KB Output is correct
72 Correct 0 ms 348 KB Output is correct
73 Correct 0 ms 348 KB Output is correct