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Submission #789779

# Submission time Handle Problem Language Result Execution time Memory
789779 2023-07-22T02:55:44 Z math_rabbit_1028 Diversity (CEOI21_diversity) C++14
100 / 100
 3475 ms 3832 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int n, q, b;
int arr[303030];
ll cnt[303030], cnt2[303030], sum[303030], xsum[303030], ans[50505];
pair<ll, ll> reord[303030];
unordered_set<int> S;

const int m = 300000;

struct query{
    int idx, lt, rt;
} Q[50505];

bool compare(query p, query q) {
    if (p.lt/b == q.lt/b) return p.rt < q.rt;
    return (p.lt/b) < (q.lt/b);
}

void add(int i, int diff) {
    if (cnt2[cnt[i]] == 1) S.erase(S.find(cnt[i]));
    cnt2[cnt[i]]--;
    cnt[i] += diff;
    if (cnt2[cnt[i]] == 0) S.insert(cnt[i]);
    cnt2[cnt[i]]++;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    cin >> n >> q; b = 3000;
    for (int i = 1; i <= n; i++) cin >> arr[i];

    for (int i = 1; i <= q; i++) cin >> Q[i].lt >> Q[i].rt;
    for (int i = 1; i <= q; i++) Q[i].idx = i;

    sort(Q + 1, Q + q + 1, compare);

    Q[0].lt = 1; Q[0].rt = 0;
    for (int i = 1; i <= q; i++) {
        if (Q[i - 1].rt < Q[i].rt) for (int j = Q[i - 1].rt + 1; j <= Q[i].rt; j++) add(arr[j], 1);
        else for (int j = Q[i].rt + 1; j <= Q[i - 1].rt; j++) add(arr[j], -1);

        if (Q[i - 1].lt > Q[i].lt) for (int j = Q[i].lt; j < Q[i - 1].lt; j++) add(arr[j], 1);
        else for (int j = Q[i - 1].lt; j < Q[i].lt; j++) add(arr[j], -1);

        vector< pair<int, ll> > v;
        for (auto iter = S.begin(); iter != S.end(); iter++) {
            v.emplace_back(*iter, cnt2[*iter]);
        }

        sort(v.begin(), v.end());

        int sz = v.size(), p = sz + 1, q = sz, tot = 0;
        for (int i = sz - 1; i >= 0; i--) {
            ll sm = (v[i].second)/2, la = v[i].second - sm;
            if (tot % 2 == 0) {
                reord[--p] = make_pair(v[i].first, sm);
                reord[++q] = make_pair(v[i].first, la);
            }
            else {
                reord[--p] = make_pair(v[i].first, la);
                reord[++q] = make_pair(v[i].first, sm);
            }
            tot += v[i].second;
        }

        ll res = 0, sum = 0, xsum = 0, s = 0;
        for (int i = p; i <= q; i++) {
            ll a = reord[i].first, k = reord[i].second;
            //cout << a << " " << k << "\n";
            res += k * a * (a + 1) / 2;
            res += a * a * k * (k + 1) * (k + 2) / 6 - a * a * k;
            res += a * k * (2 * s + k + 3) / 2 * sum;
            res -= a * k * xsum;
            sum += a * k;
            xsum += a * k * (2 * s + k + 1) / 2;
            s += k;
        }
        ans[Q[i].idx] = res;
    }

    for (int i = 1; i <= q; i++) cout << ans[i] << "\n";

    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 10 ms 852 KB Output is correct
5 Correct 20 ms 1656 KB Output is correct
6 Correct 31 ms 1932 KB Output is correct
7 Correct 30 ms 2740 KB Output is correct
8 Correct 31 ms 1900 KB Output is correct
9 Correct 31 ms 1916 KB Output is correct
10 Correct 44 ms 2252 KB Output is correct
11 Correct 31 ms 2096 KB Output is correct
12 Correct 45 ms 1904 KB Output is correct
13 Correct 45 ms 1852 KB Output is correct
14 Correct 43 ms 2016 KB Output is correct
15 Correct 44 ms 1996 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 10 ms 852 KB Output is correct
5 Correct 20 ms 1656 KB Output is correct
6 Correct 31 ms 1932 KB Output is correct
7 Correct 30 ms 2740 KB Output is correct
8 Correct 31 ms 1900 KB Output is correct
9 Correct 31 ms 1916 KB Output is correct
10 Correct 44 ms 2252 KB Output is correct
11 Correct 31 ms 2096 KB Output is correct
12 Correct 45 ms 1904 KB Output is correct
13 Correct 45 ms 1852 KB Output is correct
14 Correct 43 ms 2016 KB Output is correct
15 Correct 44 ms 1996 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 11 ms 852 KB Output is correct
20 Correct 21 ms 1356 KB Output is correct
21 Correct 33 ms 1924 KB Output is correct
22 Correct 35 ms 1768 KB Output is correct
23 Correct 31 ms 1912 KB Output is correct
24 Correct 31 ms 1780 KB Output is correct
25 Correct 45 ms 1820 KB Output is correct
26 Correct 37 ms 1796 KB Output is correct
27 Correct 32 ms 1832 KB Output is correct
28 Correct 45 ms 2012 KB Output is correct
29 Correct 43 ms 1840 KB Output is correct
30 Correct 45 ms 1756 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 10 ms 852 KB Output is correct
5 Correct 20 ms 1656 KB Output is correct
6 Correct 31 ms 1932 KB Output is correct
7 Correct 30 ms 2740 KB Output is correct
8 Correct 31 ms 1900 KB Output is correct
9 Correct 31 ms 1916 KB Output is correct
10 Correct 44 ms 2252 KB Output is correct
11 Correct 31 ms 2096 KB Output is correct
12 Correct 45 ms 1904 KB Output is correct
13 Correct 45 ms 1852 KB Output is correct
14 Correct 43 ms 2016 KB Output is correct
15 Correct 44 ms 1996 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 11 ms 852 KB Output is correct
20 Correct 21 ms 1356 KB Output is correct
21 Correct 33 ms 1924 KB Output is correct
22 Correct 35 ms 1768 KB Output is correct
23 Correct 31 ms 1912 KB Output is correct
24 Correct 31 ms 1780 KB Output is correct
25 Correct 45 ms 1820 KB Output is correct
26 Correct 37 ms 1796 KB Output is correct
27 Correct 32 ms 1832 KB Output is correct
28 Correct 45 ms 2012 KB Output is correct
29 Correct 43 ms 1840 KB Output is correct
30 Correct 45 ms 1756 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 2 ms 340 KB Output is correct
35 Correct 2 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 4 ms 468 KB Output is correct
38 Correct 5 ms 468 KB Output is correct
39 Correct 6 ms 732 KB Output is correct
40 Correct 13 ms 1096 KB Output is correct
41 Correct 22 ms 1584 KB Output is correct
42 Correct 22 ms 1612 KB Output is correct
43 Correct 22 ms 1620 KB Output is correct
44 Correct 22 ms 1556 KB Output is correct
45 Correct 33 ms 1564 KB Output is correct
46 Correct 33 ms 1524 KB Output is correct
47 Correct 32 ms 1620 KB Output is correct
48 Correct 22 ms 1588 KB Output is correct
49 Correct 21 ms 1572 KB Output is correct
50 Correct 22 ms 1552 KB Output is correct
51 Correct 33 ms 1560 KB Output is correct
52 Correct 22 ms 1568 KB Output is correct
53 Correct 29 ms 1568 KB Output is correct
54 Correct 33 ms 1568 KB Output is correct
55 Correct 21 ms 1592 KB Output is correct
56 Correct 21 ms 1572 KB Output is correct
57 Correct 21 ms 1544 KB Output is correct
58 Correct 22 ms 1552 KB Output is correct
59 Correct 22 ms 1568 KB Output is correct
60 Correct 33 ms 1540 KB Output is correct

Subtask #5
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 10 ms 852 KB Output is correct
15 Correct 20 ms 1656 KB Output is correct
16 Correct 31 ms 1932 KB Output is correct
17 Correct 30 ms 2740 KB Output is correct
18 Correct 31 ms 1900 KB Output is correct
19 Correct 31 ms 1916 KB Output is correct
20 Correct 44 ms 2252 KB Output is correct
21 Correct 31 ms 2096 KB Output is correct
22 Correct 45 ms 1904 KB Output is correct
23 Correct 45 ms 1852 KB Output is correct
24 Correct 43 ms 2016 KB Output is correct
25 Correct 44 ms 1996 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 11 ms 852 KB Output is correct
30 Correct 21 ms 1356 KB Output is correct
31 Correct 33 ms 1924 KB Output is correct
32 Correct 35 ms 1768 KB Output is correct
33 Correct 31 ms 1912 KB Output is correct
34 Correct 31 ms 1780 KB Output is correct
35 Correct 45 ms 1820 KB Output is correct
36 Correct 37 ms 1796 KB Output is correct
37 Correct 32 ms 1832 KB Output is correct
38 Correct 45 ms 2012 KB Output is correct
39 Correct 43 ms 1840 KB Output is correct
40 Correct 45 ms 1756 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 2 ms 340 KB Output is correct
45 Correct 2 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 4 ms 468 KB Output is correct
48 Correct 5 ms 468 KB Output is correct
49 Correct 6 ms 732 KB Output is correct
50 Correct 13 ms 1096 KB Output is correct
51 Correct 22 ms 1584 KB Output is correct
52 Correct 22 ms 1612 KB Output is correct
53 Correct 22 ms 1620 KB Output is correct
54 Correct 22 ms 1556 KB Output is correct
55 Correct 33 ms 1564 KB Output is correct
56 Correct 33 ms 1524 KB Output is correct
57 Correct 32 ms 1620 KB Output is correct
58 Correct 22 ms 1588 KB Output is correct
59 Correct 21 ms 1572 KB Output is correct
60 Correct 22 ms 1552 KB Output is correct
61 Correct 33 ms 1560 KB Output is correct
62 Correct 22 ms 1568 KB Output is correct
63 Correct 29 ms 1568 KB Output is correct
64 Correct 33 ms 1568 KB Output is correct
65 Correct 21 ms 1592 KB Output is correct
66 Correct 21 ms 1572 KB Output is correct
67 Correct 21 ms 1544 KB Output is correct
68 Correct 22 ms 1552 KB Output is correct
69 Correct 22 ms 1568 KB Output is correct
70 Correct 33 ms 1540 KB Output is correct
71 Correct 4 ms 468 KB Output is correct
72 Correct 3 ms 468 KB Output is correct
73 Correct 3 ms 468 KB Output is correct
74 Correct 3 ms 468 KB Output is correct
75 Correct 4 ms 468 KB Output is correct
76 Correct 7 ms 796 KB Output is correct
77 Correct 7 ms 724 KB Output is correct
78 Correct 6 ms 792 KB Output is correct
79 Correct 6 ms 724 KB Output is correct
80 Correct 6 ms 724 KB Output is correct
81 Correct 12 ms 1128 KB Output is correct
82 Correct 19 ms 1196 KB Output is correct
83 Correct 12 ms 1176 KB Output is correct
84 Correct 11 ms 1236 KB Output is correct
85 Correct 12 ms 1236 KB Output is correct
86 Correct 13 ms 1236 KB Output is correct
87 Correct 20 ms 1240 KB Output is correct
88 Correct 13 ms 1236 KB Output is correct
89 Correct 20 ms 1292 KB Output is correct
90 Correct 13 ms 1236 KB Output is correct
91 Correct 20 ms 2204 KB Output is correct
92 Correct 19 ms 2264 KB Output is correct
93 Correct 30 ms 2196 KB Output is correct
94 Correct 19 ms 2276 KB Output is correct
95 Correct 19 ms 2244 KB Output is correct
96 Correct 23 ms 2996 KB Output is correct
97 Correct 22 ms 3076 KB Output is correct
98 Correct 22 ms 2996 KB Output is correct
99 Correct 24 ms 2992 KB Output is correct
100 Correct 22 ms 3032 KB Output is correct
101 Correct 22 ms 3028 KB Output is correct
102 Correct 23 ms 3044 KB Output is correct
103 Correct 34 ms 3016 KB Output is correct
104 Correct 22 ms 3032 KB Output is correct
105 Correct 22 ms 2980 KB Output is correct
106 Correct 34 ms 3412 KB Output is correct
107 Correct 22 ms 3436 KB Output is correct
108 Correct 27 ms 3456 KB Output is correct
109 Correct 22 ms 3412 KB Output is correct
110 Correct 22 ms 3436 KB Output is correct
111 Correct 22 ms 3412 KB Output is correct
112 Correct 35 ms 3460 KB Output is correct
113 Correct 22 ms 3432 KB Output is correct
114 Correct 22 ms 3404 KB Output is correct
115 Correct 22 ms 3416 KB Output is correct

Subtask #6
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 10 ms 852 KB Output is correct
15 Correct 20 ms 1656 KB Output is correct
16 Correct 31 ms 1932 KB Output is correct
17 Correct 30 ms 2740 KB Output is correct
18 Correct 31 ms 1900 KB Output is correct
19 Correct 31 ms 1916 KB Output is correct
20 Correct 44 ms 2252 KB Output is correct
21 Correct 31 ms 2096 KB Output is correct
22 Correct 45 ms 1904 KB Output is correct
23 Correct 45 ms 1852 KB Output is correct
24 Correct 43 ms 2016 KB Output is correct
25 Correct 44 ms 1996 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 11 ms 852 KB Output is correct
30 Correct 21 ms 1356 KB Output is correct
31 Correct 33 ms 1924 KB Output is correct
32 Correct 35 ms 1768 KB Output is correct
33 Correct 31 ms 1912 KB Output is correct
34 Correct 31 ms 1780 KB Output is correct
35 Correct 45 ms 1820 KB Output is correct
36 Correct 37 ms 1796 KB Output is correct
37 Correct 32 ms 1832 KB Output is correct
38 Correct 45 ms 2012 KB Output is correct
39 Correct 43 ms 1840 KB Output is correct
40 Correct 45 ms 1756 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 2 ms 340 KB Output is correct
45 Correct 2 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 4 ms 468 KB Output is correct
48 Correct 5 ms 468 KB Output is correct
49 Correct 6 ms 732 KB Output is correct
50 Correct 13 ms 1096 KB Output is correct
51 Correct 22 ms 1584 KB Output is correct
52 Correct 22 ms 1612 KB Output is correct
53 Correct 22 ms 1620 KB Output is correct
54 Correct 22 ms 1556 KB Output is correct
55 Correct 33 ms 1564 KB Output is correct
56 Correct 33 ms 1524 KB Output is correct
57 Correct 32 ms 1620 KB Output is correct
58 Correct 22 ms 1588 KB Output is correct
59 Correct 21 ms 1572 KB Output is correct
60 Correct 22 ms 1552 KB Output is correct
61 Correct 33 ms 1560 KB Output is correct
62 Correct 22 ms 1568 KB Output is correct
63 Correct 29 ms 1568 KB Output is correct
64 Correct 33 ms 1568 KB Output is correct
65 Correct 21 ms 1592 KB Output is correct
66 Correct 21 ms 1572 KB Output is correct
67 Correct 21 ms 1544 KB Output is correct
68 Correct 22 ms 1552 KB Output is correct
69 Correct 22 ms 1568 KB Output is correct
70 Correct 33 ms 1540 KB Output is correct
71 Correct 4 ms 468 KB Output is correct
72 Correct 3 ms 468 KB Output is correct
73 Correct 3 ms 468 KB Output is correct
74 Correct 3 ms 468 KB Output is correct
75 Correct 4 ms 468 KB Output is correct
76 Correct 7 ms 796 KB Output is correct
77 Correct 7 ms 724 KB Output is correct
78 Correct 6 ms 792 KB Output is correct
79 Correct 6 ms 724 KB Output is correct
80 Correct 6 ms 724 KB Output is correct
81 Correct 12 ms 1128 KB Output is correct
82 Correct 19 ms 1196 KB Output is correct
83 Correct 12 ms 1176 KB Output is correct
84 Correct 11 ms 1236 KB Output is correct
85 Correct 12 ms 1236 KB Output is correct
86 Correct 13 ms 1236 KB Output is correct
87 Correct 20 ms 1240 KB Output is correct
88 Correct 13 ms 1236 KB Output is correct
89 Correct 20 ms 1292 KB Output is correct
90 Correct 13 ms 1236 KB Output is correct
91 Correct 20 ms 2204 KB Output is correct
92 Correct 19 ms 2264 KB Output is correct
93 Correct 30 ms 2196 KB Output is correct
94 Correct 19 ms 2276 KB Output is correct
95 Correct 19 ms 2244 KB Output is correct
96 Correct 23 ms 2996 KB Output is correct
97 Correct 22 ms 3076 KB Output is correct
98 Correct 22 ms 2996 KB Output is correct
99 Correct 24 ms 2992 KB Output is correct
100 Correct 22 ms 3032 KB Output is correct
101 Correct 22 ms 3028 KB Output is correct
102 Correct 23 ms 3044 KB Output is correct
103 Correct 34 ms 3016 KB Output is correct
104 Correct 22 ms 3032 KB Output is correct
105 Correct 22 ms 2980 KB Output is correct
106 Correct 34 ms 3412 KB Output is correct
107 Correct 22 ms 3436 KB Output is correct
108 Correct 27 ms 3456 KB Output is correct
109 Correct 22 ms 3412 KB Output is correct
110 Correct 22 ms 3436 KB Output is correct
111 Correct 22 ms 3412 KB Output is correct
112 Correct 35 ms 3460 KB Output is correct
113 Correct 22 ms 3432 KB Output is correct
114 Correct 22 ms 3404 KB Output is correct
115 Correct 22 ms 3416 KB Output is correct
116 Correct 2175 ms 1748 KB Output is correct
117 Correct 1298 ms 1752 KB Output is correct
118 Correct 2296 ms 2048 KB Output is correct
119 Correct 922 ms 2056 KB Output is correct
120 Correct 595 ms 2056 KB Output is correct
121 Correct 819 ms 2264 KB Output is correct
122 Correct 529 ms 2260 KB Output is correct
123 Correct 1396 ms 2716 KB Output is correct
124 Correct 494 ms 2808 KB Output is correct
125 Correct 400 ms 2832 KB Output is correct
126 Correct 3331 ms 3092 KB Output is correct
127 Correct 3475 ms 3088 KB Output is correct
128 Correct 3313 ms 3108 KB Output is correct
129 Correct 3357 ms 3080 KB Output is correct
130 Correct 3311 ms 3084 KB Output is correct
131 Correct 3105 ms 3204 KB Output is correct
132 Correct 3005 ms 3208 KB Output is correct
133 Correct 3411 ms 3208 KB Output is correct
134 Correct 3075 ms 3208 KB Output is correct
135 Correct 3047 ms 3212 KB Output is correct
136 Correct 2932 ms 3224 KB Output is correct
137 Correct 3045 ms 3208 KB Output is correct
138 Correct 2955 ms 3224 KB Output is correct
139 Correct 3053 ms 3204 KB Output is correct
140 Correct 3024 ms 3228 KB Output is correct
141 Correct 1908 ms 3228 KB Output is correct
142 Correct 1996 ms 3224 KB Output is correct
143 Correct 1964 ms 3228 KB Output is correct
144 Correct 1957 ms 3232 KB Output is correct
145 Correct 1941 ms 3224 KB Output is correct
146 Correct 663 ms 3212 KB Output is correct
147 Correct 658 ms 3212 KB Output is correct
148 Correct 699 ms 3208 KB Output is correct
149 Correct 661 ms 3216 KB Output is correct
150 Correct 665 ms 3216 KB Output is correct
151 Correct 507 ms 3276 KB Output is correct
152 Correct 514 ms 3280 KB Output is correct
153 Correct 524 ms 3276 KB Output is correct
154 Correct 524 ms 3212 KB Output is correct
155 Correct 516 ms 3228 KB Output is correct
156 Correct 1810 ms 3780 KB Output is correct
157 Correct 1810 ms 3832 KB Output is correct
158 Correct 1790 ms 3688 KB Output is correct
159 Correct 1744 ms 3700 KB Output is correct
160 Correct 1743 ms 3700 KB Output is correct
161 Correct 1963 ms 3748 KB Output is correct
162 Correct 1957 ms 3624 KB Output is correct
163 Correct 2050 ms 3564 KB Output is correct
164 Correct 1948 ms 3612 KB Output is correct
165 Correct 1932 ms 3544 KB Output is correct
166 Correct 2790 ms 3328 KB Output is correct
167 Correct 2800 ms 3268 KB Output is correct
168 Correct 2791 ms 3240 KB Output is correct
169 Correct 2825 ms 3332 KB Output is correct
170 Correct 2808 ms 3404 KB Output is correct
171 Correct 3365 ms 3156 KB Output is correct
172 Correct 3342 ms 3156 KB Output is correct
173 Correct 3328 ms 3168 KB Output is correct
174 Correct 3343 ms 3180 KB Output is correct
175 Correct 3351 ms 3216 KB Output is correct