oj.uz

답안 #793950

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
793950 2023-07-26T08:16:14 Z ymm IOI 바이러스 (JOI21_fever) C++17
25 / 100
 5000 ms 109492 KB 
#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (l); --x)
typedef long long ll;
//typedef std::pair<int,int> pii;
using namespace std;

#define int ll

const int N = 100'010;
map<int,vector<int>> wa, as, sd, dw, ww, aa, ss, dd;
int X[N], Y[N];
int dis[N];
int n;

enum dir { W, A, S, D};
map<int,vector<int>> *dvec[4][3] = {
	{&dw, &wa, &ww},
	{&as, &wa, &aa},
	{&as, &sd, &ss},
	{&dw, &sd, &dd},
};

pair<int,dir> colide(int i, int j, dir d)
{
	int x = X[j] - X[i];
	int y = Y[j] - Y[i];
	if (x == 0)
		return {d == D? (y+1)/2: (-y+1)/2, d == D? A: D};
	if (y == 0)
		return {d == W? (x+1)/2: (-x+1)/2, d == W? S: W};
	assert(abs(x) == abs(y));
	switch (d) {
		case W: return {y, x > 0? A: D};
		case A: return {-x, y > 0? S: W};
		case S: return {-y, x > 0? A: D};
		case D: return {x, y > 0? S: W};
	}
}
dir disdir[N];

int dij(int v, dir d)
{
	fill(dis, dis+N, (ll)1e18);
	set<pair<int,int>> S;
	disdir[v] = d;
	dis[v] = 0;
	S.insert({dis[v], v});
	int ans = 0;
	while (S.size()) {
		++ans;
		int v = S.begin()->second;
		S.erase(S.begin());
		dir d = disdir[v];
		auto &vec1 = (*dvec[d][0])[X[v]-Y[v]];
		auto &vec2 = (*dvec[d][1])[X[v]+Y[v]];
		auto &vec3 = (*dvec[d][2])[(d == A || d == D? Y[v]: X[v])];
		for (auto _vec : {&vec1, &vec2, &vec3}) {
			auto &vec = *_vec;
			//while (vec.size()) {
			//	int u = vec.back();
			Loop (i,0,vec.size()) {
				int u = vec[i];
				auto [di, d2] = colide(v, u, d);
				if (di < dis[v])
					continue;
				if (di < dis[u]) {
					S.erase({dis[u], u});
					dis[u] = di;
					disdir[u] = d2;
					S.insert({dis[u], u});
				} else {
					continue;
				}
			}
		}
	}
	return ans;
	//return q.size();
}

signed main()
{
	cin.tie(0) -> sync_with_stdio(false);
	cin >> n;
	Loop (i,0,n)
		cin >> X[i] >> Y[i];
	Loop (i,1,n) {
		X[i] -= X[0];
		Y[i] -= Y[0];
	}
	X[0] = Y[0] = 0;
	int ans = 0;
	for (auto d : {W, A, S, D}) {
		for (auto mp : {&dw, &wa, &as, &sd})
			for (auto &[_, vec] : *mp)
				vec.clear();
		Loop (i,0,n) {
			dw[X[i]-Y[i]].push_back(i);
			wa[X[i]+Y[i]].push_back(i);
			as[X[i]-Y[i]].push_back(i);
			sd[X[i]+Y[i]].push_back(i);
			ww[X[i]].push_back(i);
			aa[Y[i]].push_back(i);
			ss[X[i]].push_back(i);
			dd[Y[i]].push_back(i);
		}
		for (auto &[_, vec] : dw) sort(vec.begin(), vec.end(), [&](int i, int j){ return X[i] < X[j]; });
		for (auto &[_, vec] : wa) sort(vec.begin(), vec.end(), [&](int i, int j){ return X[i] > X[j]; });
		for (auto &[_, vec] : as) sort(vec.begin(), vec.end(), [&](int i, int j){ return X[i] > X[j]; });
		for (auto &[_, vec] : sd) sort(vec.begin(), vec.end(), [&](int i, int j){ return X[i] < X[j]; });
		for (auto &[_, vec] : ww) sort(vec.begin(), vec.end(), [&](int i, int j){ return Y[i] < Y[j]; });
		for (auto &[_, vec] : aa) sort(vec.begin(), vec.end(), [&](int i, int j){ return X[i] > X[j]; });
		for (auto &[_, vec] : ss) sort(vec.begin(), vec.end(), [&](int i, int j){ return Y[i] > Y[j]; });
		for (auto &[_, vec] : dd) sort(vec.begin(), vec.end(), [&](int i, int j){ return X[i] < X[j]; });
		ans = max(ans, dij(0, d));
	}
	cout << ans << '\n';
}

Compilation message

fever.cpp: In function 'll dij(ll, dir)':
fever.cpp:2:40: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    2 | #define Loop(x,l,r) for (ll x = (l); x < (r); ++x)
      |                                        ^
fever.cpp:62:4: note: in expansion of macro 'Loop'
   62 |    Loop (i,0,vec.size()) {
      |    ^~~~
fever.cpp: In function 'std::pair<long long int, dir> colide(ll, ll, dir)':
fever.cpp:39:1: warning: control reaches end of non-void function [-Wreturn-type]
   39 | }
      | ^

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1108 KB Output is correct
3 Correct 1 ms 1108 KB Output is correct
4 Correct 1 ms 1096 KB Output is correct
5 Correct 1 ms 1108 KB Output is correct
6 Correct 1 ms 1108 KB Output is correct
7 Correct 1 ms 1092 KB Output is correct
8 Correct 1 ms 1108 KB Output is correct
9 Correct 1 ms 1096 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 1 ms 1108 KB Output is correct
12 Correct 1 ms 1108 KB Output is correct
13 Correct 1 ms 1108 KB Output is correct
14 Correct 1 ms 1108 KB Output is correct
15 Correct 1 ms 1108 KB Output is correct
16 Correct 1 ms 1108 KB Output is correct
17 Correct 1 ms 1108 KB Output is correct
18 Correct 2 ms 1108 KB Output is correct
19 Correct 1 ms 1108 KB Output is correct
20 Correct 1 ms 1108 KB Output is correct
21 Correct 1 ms 1108 KB Output is correct
22 Correct 1 ms 1108 KB Output is correct
23 Correct 1 ms 1108 KB Output is correct
24 Correct 1 ms 1108 KB Output is correct
25 Correct 1 ms 1108 KB Output is correct
26 Correct 1 ms 1108 KB Output is correct
27 Correct 1 ms 1108 KB Output is correct
28 Correct 1 ms 1108 KB Output is correct
29 Correct 1 ms 1108 KB Output is correct
30 Correct 1 ms 1100 KB Output is correct
31 Correct 1 ms 1108 KB Output is correct
32 Correct 1 ms 1096 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1108 KB Output is correct
3 Correct 1 ms 1108 KB Output is correct
4 Correct 1 ms 1096 KB Output is correct
5 Correct 1 ms 1108 KB Output is correct
6 Correct 1 ms 1108 KB Output is correct
7 Correct 1 ms 1092 KB Output is correct
8 Correct 1 ms 1108 KB Output is correct
9 Correct 1 ms 1096 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 1 ms 1108 KB Output is correct
12 Correct 1 ms 1108 KB Output is correct
13 Correct 1 ms 1108 KB Output is correct
14 Correct 1 ms 1108 KB Output is correct
15 Correct 1 ms 1108 KB Output is correct
16 Correct 1 ms 1108 KB Output is correct
17 Correct 1 ms 1108 KB Output is correct
18 Correct 2 ms 1108 KB Output is correct
19 Correct 1 ms 1108 KB Output is correct
20 Correct 1 ms 1108 KB Output is correct
21 Correct 1 ms 1108 KB Output is correct
22 Correct 1 ms 1108 KB Output is correct
23 Correct 1 ms 1108 KB Output is correct
24 Correct 1 ms 1108 KB Output is correct
25 Correct 1 ms 1108 KB Output is correct
26 Correct 1 ms 1108 KB Output is correct
27 Correct 1 ms 1108 KB Output is correct
28 Correct 1 ms 1108 KB Output is correct
29 Correct 1 ms 1108 KB Output is correct
30 Correct 1 ms 1100 KB Output is correct
31 Correct 1 ms 1108 KB Output is correct
32 Correct 1 ms 1096 KB Output is correct
33 Correct 1 ms 1108 KB Output is correct
34 Correct 1 ms 1108 KB Output is correct
35 Correct 1 ms 1108 KB Output is correct
36 Correct 1 ms 1108 KB Output is correct
37 Correct 1 ms 1100 KB Output is correct
38 Correct 1 ms 1132 KB Output is correct
39 Correct 1 ms 1108 KB Output is correct
40 Correct 1 ms 1108 KB Output is correct
41 Correct 1 ms 1108 KB Output is correct
42 Correct 1 ms 1092 KB Output is correct
43 Correct 1 ms 1108 KB Output is correct
44 Correct 1 ms 1108 KB Output is correct
45 Correct 1 ms 1108 KB Output is correct

Subtask #3
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1156 KB Output is correct
2 Correct 1 ms 1108 KB Output is correct
3 Correct 1 ms 1092 KB Output is correct
4 Correct 1 ms 1108 KB Output is correct
5 Correct 2 ms 1108 KB Output is correct
6 Correct 1 ms 1220 KB Output is correct
7 Correct 2 ms 1108 KB Output is correct
8 Correct 1 ms 1108 KB Output is correct

Subtask #4
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1108 KB Output is correct
3 Correct 1 ms 1108 KB Output is correct
4 Correct 1 ms 1096 KB Output is correct
5 Correct 1 ms 1108 KB Output is correct
6 Correct 1 ms 1108 KB Output is correct
7 Correct 1 ms 1092 KB Output is correct
8 Correct 1 ms 1108 KB Output is correct
9 Correct 1 ms 1096 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 1 ms 1108 KB Output is correct
12 Correct 1 ms 1108 KB Output is correct
13 Correct 1 ms 1108 KB Output is correct
14 Correct 1 ms 1108 KB Output is correct
15 Correct 1 ms 1108 KB Output is correct
16 Correct 1 ms 1108 KB Output is correct
17 Correct 1 ms 1108 KB Output is correct
18 Correct 2 ms 1108 KB Output is correct
19 Correct 1 ms 1108 KB Output is correct
20 Correct 1 ms 1108 KB Output is correct
21 Correct 1 ms 1108 KB Output is correct
22 Correct 1 ms 1108 KB Output is correct
23 Correct 1 ms 1108 KB Output is correct
24 Correct 1 ms 1108 KB Output is correct
25 Correct 1 ms 1108 KB Output is correct
26 Correct 1 ms 1108 KB Output is correct
27 Correct 1 ms 1108 KB Output is correct
28 Correct 1 ms 1108 KB Output is correct
29 Correct 1 ms 1108 KB Output is correct
30 Correct 1 ms 1100 KB Output is correct
31 Correct 1 ms 1108 KB Output is correct
32 Correct 1 ms 1096 KB Output is correct
33 Correct 1 ms 1108 KB Output is correct
34 Correct 1 ms 1108 KB Output is correct
35 Correct 1 ms 1108 KB Output is correct
36 Correct 1 ms 1108 KB Output is correct
37 Correct 1 ms 1100 KB Output is correct
38 Correct 1 ms 1132 KB Output is correct
39 Correct 1 ms 1108 KB Output is correct
40 Correct 1 ms 1108 KB Output is correct
41 Correct 1 ms 1108 KB Output is correct
42 Correct 1 ms 1092 KB Output is correct
43 Correct 1 ms 1108 KB Output is correct
44 Correct 1 ms 1108 KB Output is correct
45 Correct 1 ms 1108 KB Output is correct
46 Correct 1 ms 1156 KB Output is correct
47 Correct 1 ms 1108 KB Output is correct
48 Correct 1 ms 1092 KB Output is correct
49 Correct 1 ms 1108 KB Output is correct
50 Correct 2 ms 1108 KB Output is correct
51 Correct 1 ms 1220 KB Output is correct
52 Correct 2 ms 1108 KB Output is correct
53 Correct 1 ms 1108 KB Output is correct
54 Correct 1 ms 1108 KB Output is correct
55 Correct 2 ms 1108 KB Output is correct
56 Correct 2 ms 1224 KB Output is correct
57 Correct 1 ms 1228 KB Output is correct
58 Correct 2 ms 1108 KB Output is correct
59 Correct 1 ms 1108 KB Output is correct
60 Correct 1 ms 1108 KB Output is correct
61 Correct 1 ms 1108 KB Output is correct
62 Correct 1 ms 1092 KB Output is correct
63 Correct 2 ms 1136 KB Output is correct
64 Correct 1 ms 1108 KB Output is correct
65 Correct 1 ms 1108 KB Output is correct

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1108 KB Output is correct
3 Correct 1 ms 1108 KB Output is correct
4 Correct 1 ms 1096 KB Output is correct
5 Correct 1 ms 1108 KB Output is correct
6 Correct 1 ms 1108 KB Output is correct
7 Correct 1 ms 1092 KB Output is correct
8 Correct 1 ms 1108 KB Output is correct
9 Correct 1 ms 1096 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 1 ms 1108 KB Output is correct
12 Correct 1 ms 1108 KB Output is correct
13 Correct 1 ms 1108 KB Output is correct
14 Correct 1 ms 1108 KB Output is correct
15 Correct 1 ms 1108 KB Output is correct
16 Correct 1 ms 1108 KB Output is correct
17 Correct 1 ms 1108 KB Output is correct
18 Correct 2 ms 1108 KB Output is correct
19 Correct 1 ms 1108 KB Output is correct
20 Correct 1 ms 1108 KB Output is correct
21 Correct 1 ms 1108 KB Output is correct
22 Correct 1 ms 1108 KB Output is correct
23 Correct 1 ms 1108 KB Output is correct
24 Correct 1 ms 1108 KB Output is correct
25 Correct 1 ms 1108 KB Output is correct
26 Correct 1 ms 1108 KB Output is correct
27 Correct 1 ms 1108 KB Output is correct
28 Correct 1 ms 1108 KB Output is correct
29 Correct 1 ms 1108 KB Output is correct
30 Correct 1 ms 1100 KB Output is correct
31 Correct 1 ms 1108 KB Output is correct
32 Correct 1 ms 1096 KB Output is correct
33 Correct 1 ms 1108 KB Output is correct
34 Correct 1 ms 1108 KB Output is correct
35 Correct 1 ms 1108 KB Output is correct
36 Correct 1 ms 1108 KB Output is correct
37 Correct 1 ms 1100 KB Output is correct
38 Correct 1 ms 1132 KB Output is correct
39 Correct 1 ms 1108 KB Output is correct
40 Correct 1 ms 1108 KB Output is correct
41 Correct 1 ms 1108 KB Output is correct
42 Correct 1 ms 1092 KB Output is correct
43 Correct 1 ms 1108 KB Output is correct
44 Correct 1 ms 1108 KB Output is correct
45 Correct 1 ms 1108 KB Output is correct
46 Correct 1 ms 1156 KB Output is correct
47 Correct 1 ms 1108 KB Output is correct
48 Correct 1 ms 1092 KB Output is correct
49 Correct 1 ms 1108 KB Output is correct
50 Correct 2 ms 1108 KB Output is correct
51 Correct 1 ms 1220 KB Output is correct
52 Correct 2 ms 1108 KB Output is correct
53 Correct 1 ms 1108 KB Output is correct
54 Correct 1 ms 1108 KB Output is correct
55 Correct 2 ms 1108 KB Output is correct
56 Correct 2 ms 1224 KB Output is correct
57 Correct 1 ms 1228 KB Output is correct
58 Correct 2 ms 1108 KB Output is correct
59 Correct 1 ms 1108 KB Output is correct
60 Correct 1 ms 1108 KB Output is correct
61 Correct 1 ms 1108 KB Output is correct
62 Correct 1 ms 1092 KB Output is correct
63 Correct 2 ms 1136 KB Output is correct
64 Correct 1 ms 1108 KB Output is correct
65 Correct 1 ms 1108 KB Output is correct
66 Correct 17 ms 4048 KB Output is correct
67 Correct 17 ms 3984 KB Output is correct
68 Correct 18 ms 4404 KB Output is correct
69 Correct 27 ms 2000 KB Output is correct
70 Incorrect 15 ms 2256 KB Output isn't correct
71 Halted 0 ms 0 KB -

Subtask #6
0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1108 KB Output is correct
3 Correct 1 ms 1108 KB Output is correct
4 Correct 1 ms 1096 KB Output is correct
5 Correct 1 ms 1108 KB Output is correct
6 Correct 1 ms 1108 KB Output is correct
7 Correct 1 ms 1092 KB Output is correct
8 Correct 1 ms 1108 KB Output is correct
9 Correct 1 ms 1096 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 1 ms 1108 KB Output is correct
12 Correct 1 ms 1108 KB Output is correct
13 Correct 1 ms 1108 KB Output is correct
14 Correct 1 ms 1108 KB Output is correct
15 Correct 1 ms 1108 KB Output is correct
16 Correct 1 ms 1108 KB Output is correct
17 Correct 1 ms 1108 KB Output is correct
18 Correct 2 ms 1108 KB Output is correct
19 Correct 1 ms 1108 KB Output is correct
20 Correct 1 ms 1108 KB Output is correct
21 Correct 1 ms 1108 KB Output is correct
22 Correct 1 ms 1108 KB Output is correct
23 Correct 1 ms 1108 KB Output is correct
24 Correct 1 ms 1108 KB Output is correct
25 Correct 1 ms 1108 KB Output is correct
26 Correct 1 ms 1108 KB Output is correct
27 Correct 1 ms 1108 KB Output is correct
28 Correct 1 ms 1108 KB Output is correct
29 Correct 1 ms 1108 KB Output is correct
30 Correct 1 ms 1100 KB Output is correct
31 Correct 1 ms 1108 KB Output is correct
32 Correct 1 ms 1096 KB Output is correct
33 Correct 1 ms 1108 KB Output is correct
34 Correct 1 ms 1108 KB Output is correct
35 Correct 1 ms 1108 KB Output is correct
36 Correct 1 ms 1108 KB Output is correct
37 Correct 1 ms 1100 KB Output is correct
38 Correct 1 ms 1132 KB Output is correct
39 Correct 1 ms 1108 KB Output is correct
40 Correct 1 ms 1108 KB Output is correct
41 Correct 1 ms 1108 KB Output is correct
42 Correct 1 ms 1092 KB Output is correct
43 Correct 1 ms 1108 KB Output is correct
44 Correct 1 ms 1108 KB Output is correct
45 Correct 1 ms 1108 KB Output is correct
46 Correct 1 ms 1156 KB Output is correct
47 Correct 1 ms 1108 KB Output is correct
48 Correct 1 ms 1092 KB Output is correct
49 Correct 1 ms 1108 KB Output is correct
50 Correct 2 ms 1108 KB Output is correct
51 Correct 1 ms 1220 KB Output is correct
52 Correct 2 ms 1108 KB Output is correct
53 Correct 1 ms 1108 KB Output is correct
54 Correct 1 ms 1108 KB Output is correct
55 Correct 2 ms 1108 KB Output is correct
56 Correct 2 ms 1224 KB Output is correct
57 Correct 1 ms 1228 KB Output is correct
58 Correct 2 ms 1108 KB Output is correct
59 Correct 1 ms 1108 KB Output is correct
60 Correct 1 ms 1108 KB Output is correct
61 Correct 1 ms 1108 KB Output is correct
62 Correct 1 ms 1092 KB Output is correct
63 Correct 2 ms 1136 KB Output is correct
64 Correct 1 ms 1108 KB Output is correct
65 Correct 1 ms 1108 KB Output is correct
66 Correct 1839 ms 78848 KB Output is correct
67 Correct 2479 ms 98392 KB Output is correct
68 Correct 2776 ms 109492 KB Output is correct
69 Execution timed out 5042 ms 77036 KB Time limit exceeded
70 Halted 0 ms 0 KB -

Subtask #7
0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1108 KB Output is correct
3 Correct 1 ms 1108 KB Output is correct
4 Correct 1 ms 1096 KB Output is correct
5 Correct 1 ms 1108 KB Output is correct
6 Correct 1 ms 1108 KB Output is correct
7 Correct 1 ms 1092 KB Output is correct
8 Correct 1 ms 1108 KB Output is correct
9 Correct 1 ms 1096 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 1 ms 1108 KB Output is correct
12 Correct 1 ms 1108 KB Output is correct
13 Correct 1 ms 1108 KB Output is correct
14 Correct 1 ms 1108 KB Output is correct
15 Correct 1 ms 1108 KB Output is correct
16 Correct 1 ms 1108 KB Output is correct
17 Correct 1 ms 1108 KB Output is correct
18 Correct 2 ms 1108 KB Output is correct
19 Correct 1 ms 1108 KB Output is correct
20 Correct 1 ms 1108 KB Output is correct
21 Correct 1 ms 1108 KB Output is correct
22 Correct 1 ms 1108 KB Output is correct
23 Correct 1 ms 1108 KB Output is correct
24 Correct 1 ms 1108 KB Output is correct
25 Correct 1 ms 1108 KB Output is correct
26 Correct 1 ms 1108 KB Output is correct
27 Correct 1 ms 1108 KB Output is correct
28 Correct 1 ms 1108 KB Output is correct
29 Correct 1 ms 1108 KB Output is correct
30 Correct 1 ms 1100 KB Output is correct
31 Correct 1 ms 1108 KB Output is correct
32 Correct 1 ms 1096 KB Output is correct
33 Correct 1 ms 1108 KB Output is correct
34 Correct 1 ms 1108 KB Output is correct
35 Correct 1 ms 1108 KB Output is correct
36 Correct 1 ms 1108 KB Output is correct
37 Correct 1 ms 1100 KB Output is correct
38 Correct 1 ms 1132 KB Output is correct
39 Correct 1 ms 1108 KB Output is correct
40 Correct 1 ms 1108 KB Output is correct
41 Correct 1 ms 1108 KB Output is correct
42 Correct 1 ms 1092 KB Output is correct
43 Correct 1 ms 1108 KB Output is correct
44 Correct 1 ms 1108 KB Output is correct
45 Correct 1 ms 1108 KB Output is correct
46 Correct 1 ms 1156 KB Output is correct
47 Correct 1 ms 1108 KB Output is correct
48 Correct 1 ms 1092 KB Output is correct
49 Correct 1 ms 1108 KB Output is correct
50 Correct 2 ms 1108 KB Output is correct
51 Correct 1 ms 1220 KB Output is correct
52 Correct 2 ms 1108 KB Output is correct
53 Correct 1 ms 1108 KB Output is correct
54 Correct 1 ms 1108 KB Output is correct
55 Correct 2 ms 1108 KB Output is correct
56 Correct 2 ms 1224 KB Output is correct
57 Correct 1 ms 1228 KB Output is correct
58 Correct 2 ms 1108 KB Output is correct
59 Correct 1 ms 1108 KB Output is correct
60 Correct 1 ms 1108 KB Output is correct
61 Correct 1 ms 1108 KB Output is correct
62 Correct 1 ms 1092 KB Output is correct
63 Correct 2 ms 1136 KB Output is correct
64 Correct 1 ms 1108 KB Output is correct
65 Correct 1 ms 1108 KB Output is correct
66 Correct 17 ms 4048 KB Output is correct
67 Correct 17 ms 3984 KB Output is correct
68 Correct 18 ms 4404 KB Output is correct
69 Correct 27 ms 2000 KB Output is correct
70 Incorrect 15 ms 2256 KB Output isn't correct
71 Halted 0 ms 0 KB -