oj.uz

Submission #898509

# Submission time Handle Problem Language Result Execution time Memory
898509 2024-01-04T19:24:27 Z Denkata Segments (IZhO18_segments) C++14
100 / 100
 2276 ms 15388 KB 
///mnogo trqbva da se vnimava s lower/upperbound queryta v pair
#include<bits/stdc++.h>
using namespace std;
const int maxn = 2e5+3;
const int crit = 2000;
int i,j,p,q,n,m,k,L,R,A,B,lans,id,lb[maxn],rb[maxn],block[maxn],minlen[maxn],t,curlen;
vector < pair <int,int> > cur,all;
vector < pair <int,int> > levi[100],desni[100];//n/crit
int removed[maxn];
void insert(int l,int r,int nom)
{
    cur.push_back({r-l+1,nom});
    if(cur.size()==crit)
    {
        vector <pair <int,int>> neww;

        for(i=0; i<=all.size()/crit+2; i++)
            levi[i].clear(),desni[i].clear(),minlen[i] = -1;
        for(auto i:cur)
            neww.push_back(i);
        for(auto i:all)
            neww.push_back(i);
        cur.clear();
        all.clear();
        for(auto i:neww)
        {
            if(!removed[i.second])
                all.push_back(i);
        }

        ///build the structure
        sort(all.rbegin(),all.rend());
        int bl = 0;
        int br = 0;
        int Min = INT_MAX;
        for(auto i:all)
        {
            levi[bl].push_back({lb[i.second],i.second});
            desni[bl].push_back({rb[i.second],i.second});
            Min = min(Min,i.first);
            block[i.second] = bl;
            br++;
            if(br==crit)
            {
                minlen[bl] = Min;
                Min = INT_MAX;
                bl++;
                br = 0;
            }
        }

        for(i=0; i<=all.size()/crit+2; i++)
        {
            if(levi[i].empty())break;
            sort(levi[i].begin(),levi[i].end());
            sort(desni[i].begin(),desni[i].end());
        }
    }
}
void remove(int id)
{
    removed[id] = true;
    if(block[id]==-1)
        return ;
    p = block[id];

    vector < pair <int,int> > newws;
    for(auto i:levi[p])
        if(i.second!=id)newws.push_back(i);
    levi[p] = newws;

    newws.clear();
    for(auto i:desni[p])
        if(i.second!=id)newws.push_back(i);
    desni[p] = newws;

    block[id] = -1;
}
int solve(int l,int r,int k)
{
    int ans = 0;
    for(auto i:cur)
    {
        if(removed[i.second])continue;
        //cout<<lb[i.second]<<" "<<rb[i.second]<<"    "<<l<<" "<<r<<" "<<k<<endl;
        if(min(rb[i.second],r)-max(lb[i.second],l)+1>=k)
            ans++;
    }
    for(i=0; i<=all.size()/crit+1; i++)
    {
        if(levi[i].empty())continue;
        if(minlen[i]<k)
        {
            ///iterative check
            j = i;
            for(auto i:levi[j])
            {
                if(removed[i.second])
                    continue;
                if(min(rb[i.second],r)-max(lb[i.second],l)+1>=k)
                    ans++;
            }
            break;
        }
        ans+=levi[i].size();
        p = 0;
        ///indexed from 0
        p += upper_bound(desni[i].begin(),desni[i].end(), make_pair(l+k-2,10000000))-desni[i].begin();
        p += levi[i].size()-(lower_bound(levi[i].begin(),levi[i].end(), make_pair(r-k+2,-1))-levi[i].begin());
        ans-=p;
    }
    return ans;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    cin>>n>>t;
    for(i=0; i<=n; i++)
        block[i] = -1,minlen[i] = -1;
    lans = 0;
    while(n--)
    {
        int type;
        cin>>type;
        if(type==1)
        {
            cin>>A>>B;
            L = A^(t*lans);
            R = B^(t*lans);
            if(L>R)swap(L,R);
            curlen++;
            lb[curlen] = L;
            rb[curlen] = R;
            insert(L,R,curlen);
        }
        else if(type==2)
        {
            cin>>id;
            remove(id);
        }
        else
        {
            cin>>A>>B>>k;
            L = A^(t*lans);
            R = B^(t*lans);
            if(L>R)swap(L,R);
            lans = solve(L,R,k);
            cout<<lans<<endl;
        }
    }
    return 0;
}
/**
6 1
1 1 2
3 2 4 2
1 3 5
3 2 3 1
2 1
3 0 3 1



6 0
1 3 10
1 3 5
3 6 10 6
2 1
1 3 10
3 6 4 2
*/

Compilation message

segments.cpp: In function 'void insert(int, int, int)':
segments.cpp:17:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |         for(i=0; i<=all.size()/crit+2; i++)
      |                  ~^~~~~~~~~~~~~~~~~~~
segments.cpp:52:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |         for(i=0; i<=all.size()/crit+2; i++)
      |                  ~^~~~~~~~~~~~~~~~~~~
segments.cpp: In function 'int solve(int, int, int)':
segments.cpp:89:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   89 |     for(i=0; i<=all.size()/crit+1; i++)
      |              ~^~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 5 ms 2396 KB Output is correct
4 Correct 5 ms 2472 KB Output is correct
5 Correct 7 ms 2652 KB Output is correct
6 Correct 12 ms 2652 KB Output is correct
7 Correct 7 ms 2396 KB Output is correct
8 Correct 9 ms 2668 KB Output is correct
9 Correct 10 ms 2652 KB Output is correct
10 Correct 6 ms 2648 KB Output is correct
11 Correct 18 ms 2652 KB Output is correct
12 Correct 17 ms 2652 KB Output is correct
13 Correct 7 ms 2652 KB Output is correct
14 Correct 11 ms 2668 KB Output is correct
15 Correct 5 ms 2396 KB Output is correct
16 Correct 5 ms 2396 KB Output is correct
17 Correct 8 ms 2652 KB Output is correct
18 Correct 7 ms 2904 KB Output is correct
19 Correct 9 ms 2648 KB Output is correct
20 Correct 10 ms 2652 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 802 ms 4920 KB Output is correct
2 Correct 831 ms 6276 KB Output is correct
3 Correct 818 ms 6068 KB Output is correct
4 Correct 689 ms 6556 KB Output is correct
5 Correct 436 ms 8364 KB Output is correct
6 Correct 438 ms 8764 KB Output is correct
7 Correct 824 ms 6352 KB Output is correct
8 Correct 804 ms 6476 KB Output is correct
9 Correct 801 ms 6084 KB Output is correct
10 Correct 813 ms 5640 KB Output is correct
11 Correct 861 ms 5488 KB Output is correct
12 Correct 590 ms 7744 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 111 ms 3092 KB Output is correct
2 Correct 97 ms 4332 KB Output is correct
3 Correct 126 ms 4204 KB Output is correct
4 Correct 97 ms 4120 KB Output is correct
5 Correct 447 ms 7496 KB Output is correct
6 Correct 381 ms 6932 KB Output is correct
7 Correct 454 ms 6772 KB Output is correct
8 Correct 440 ms 8512 KB Output is correct
9 Correct 411 ms 8436 KB Output is correct
10 Correct 448 ms 7680 KB Output is correct
11 Correct 283 ms 4424 KB Output is correct
12 Correct 429 ms 7880 KB Output is correct
13 Correct 445 ms 6880 KB Output is correct
14 Correct 343 ms 5672 KB Output is correct
15 Correct 413 ms 5532 KB Output is correct
16 Correct 384 ms 5360 KB Output is correct
17 Correct 312 ms 6252 KB Output is correct
18 Correct 487 ms 6092 KB Output is correct
19 Correct 489 ms 6304 KB Output is correct
20 Correct 308 ms 6108 KB Output is correct
21 Correct 293 ms 4536 KB Output is correct
22 Correct 488 ms 6372 KB Output is correct
23 Correct 392 ms 6564 KB Output is correct
24 Correct 404 ms 6200 KB Output is correct
25 Correct 110 ms 4176 KB Output is correct
26 Correct 98 ms 4240 KB Output is correct
27 Correct 109 ms 4284 KB Output is correct
28 Correct 109 ms 4456 KB Output is correct
29 Correct 446 ms 6824 KB Output is correct
30 Correct 462 ms 6748 KB Output is correct
31 Correct 420 ms 8528 KB Output is correct
32 Correct 459 ms 7828 KB Output is correct
33 Correct 435 ms 7060 KB Output is correct
34 Correct 413 ms 5472 KB Output is correct
35 Correct 503 ms 6592 KB Output is correct
36 Correct 412 ms 7088 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 94 ms 2952 KB Output is correct
2 Correct 97 ms 4228 KB Output is correct
3 Correct 97 ms 4180 KB Output is correct
4 Correct 103 ms 4248 KB Output is correct
5 Correct 572 ms 8068 KB Output is correct
6 Correct 926 ms 5396 KB Output is correct
7 Correct 571 ms 8356 KB Output is correct
8 Correct 691 ms 5668 KB Output is correct
9 Correct 484 ms 6104 KB Output is correct
10 Correct 480 ms 8032 KB Output is correct
11 Correct 404 ms 4944 KB Output is correct
12 Correct 440 ms 8744 KB Output is correct
13 Correct 480 ms 7012 KB Output is correct
14 Correct 468 ms 5732 KB Output is correct
15 Correct 460 ms 8668 KB Output is correct
16 Correct 493 ms 7144 KB Output is correct
17 Correct 810 ms 6064 KB Output is correct
18 Correct 838 ms 6000 KB Output is correct
19 Correct 820 ms 6060 KB Output is correct
20 Correct 804 ms 6164 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 5 ms 2396 KB Output is correct
4 Correct 5 ms 2472 KB Output is correct
5 Correct 7 ms 2652 KB Output is correct
6 Correct 12 ms 2652 KB Output is correct
7 Correct 7 ms 2396 KB Output is correct
8 Correct 9 ms 2668 KB Output is correct
9 Correct 10 ms 2652 KB Output is correct
10 Correct 6 ms 2648 KB Output is correct
11 Correct 18 ms 2652 KB Output is correct
12 Correct 17 ms 2652 KB Output is correct
13 Correct 7 ms 2652 KB Output is correct
14 Correct 11 ms 2668 KB Output is correct
15 Correct 5 ms 2396 KB Output is correct
16 Correct 5 ms 2396 KB Output is correct
17 Correct 8 ms 2652 KB Output is correct
18 Correct 7 ms 2904 KB Output is correct
19 Correct 9 ms 2648 KB Output is correct
20 Correct 10 ms 2652 KB Output is correct
21 Correct 802 ms 4920 KB Output is correct
22 Correct 831 ms 6276 KB Output is correct
23 Correct 818 ms 6068 KB Output is correct
24 Correct 689 ms 6556 KB Output is correct
25 Correct 436 ms 8364 KB Output is correct
26 Correct 438 ms 8764 KB Output is correct
27 Correct 824 ms 6352 KB Output is correct
28 Correct 804 ms 6476 KB Output is correct
29 Correct 801 ms 6084 KB Output is correct
30 Correct 813 ms 5640 KB Output is correct
31 Correct 861 ms 5488 KB Output is correct
32 Correct 590 ms 7744 KB Output is correct
33 Correct 94 ms 2952 KB Output is correct
34 Correct 97 ms 4228 KB Output is correct
35 Correct 97 ms 4180 KB Output is correct
36 Correct 103 ms 4248 KB Output is correct
37 Correct 572 ms 8068 KB Output is correct
38 Correct 926 ms 5396 KB Output is correct
39 Correct 571 ms 8356 KB Output is correct
40 Correct 691 ms 5668 KB Output is correct
41 Correct 484 ms 6104 KB Output is correct
42 Correct 480 ms 8032 KB Output is correct
43 Correct 404 ms 4944 KB Output is correct
44 Correct 440 ms 8744 KB Output is correct
45 Correct 480 ms 7012 KB Output is correct
46 Correct 468 ms 5732 KB Output is correct
47 Correct 460 ms 8668 KB Output is correct
48 Correct 493 ms 7144 KB Output is correct
49 Correct 810 ms 6064 KB Output is correct
50 Correct 838 ms 6000 KB Output is correct
51 Correct 820 ms 6060 KB Output is correct
52 Correct 804 ms 6164 KB Output is correct
53 Correct 106 ms 4244 KB Output is correct
54 Correct 105 ms 4176 KB Output is correct
55 Correct 109 ms 4100 KB Output is correct
56 Correct 102 ms 4188 KB Output is correct
57 Correct 874 ms 5804 KB Output is correct
58 Correct 798 ms 5104 KB Output is correct
59 Correct 696 ms 7164 KB Output is correct
60 Correct 865 ms 5100 KB Output is correct
61 Correct 494 ms 7008 KB Output is correct
62 Correct 452 ms 8352 KB Output is correct
63 Correct 432 ms 8784 KB Output is correct
64 Correct 443 ms 8460 KB Output is correct
65 Correct 427 ms 5208 KB Output is correct
66 Correct 402 ms 5192 KB Output is correct
67 Correct 467 ms 7172 KB Output is correct
68 Correct 498 ms 6524 KB Output is correct
69 Correct 833 ms 6104 KB Output is correct
70 Correct 820 ms 6492 KB Output is correct
71 Correct 820 ms 6188 KB Output is correct
72 Correct 811 ms 6668 KB Output is correct
73 Correct 459 ms 5460 KB Output is correct
74 Correct 506 ms 6612 KB Output is correct
75 Correct 428 ms 9016 KB Output is correct
76 Correct 425 ms 8584 KB Output is correct
77 Correct 115 ms 4124 KB Output is correct
78 Correct 98 ms 4180 KB Output is correct
79 Correct 105 ms 4228 KB Output is correct
80 Correct 98 ms 4176 KB Output is correct
81 Correct 518 ms 6464 KB Output is correct
82 Correct 460 ms 5480 KB Output is correct
83 Correct 395 ms 4852 KB Output is correct
84 Correct 505 ms 6464 KB Output is correct
85 Correct 476 ms 7096 KB Output is correct
86 Correct 478 ms 7836 KB Output is correct
87 Correct 483 ms 6200 KB Output is correct
88 Correct 380 ms 4836 KB Output is correct

Subtask #6
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 5 ms 2396 KB Output is correct
4 Correct 5 ms 2472 KB Output is correct
5 Correct 7 ms 2652 KB Output is correct
6 Correct 12 ms 2652 KB Output is correct
7 Correct 7 ms 2396 KB Output is correct
8 Correct 9 ms 2668 KB Output is correct
9 Correct 10 ms 2652 KB Output is correct
10 Correct 6 ms 2648 KB Output is correct
11 Correct 18 ms 2652 KB Output is correct
12 Correct 17 ms 2652 KB Output is correct
13 Correct 7 ms 2652 KB Output is correct
14 Correct 11 ms 2668 KB Output is correct
15 Correct 5 ms 2396 KB Output is correct
16 Correct 5 ms 2396 KB Output is correct
17 Correct 8 ms 2652 KB Output is correct
18 Correct 7 ms 2904 KB Output is correct
19 Correct 9 ms 2648 KB Output is correct
20 Correct 10 ms 2652 KB Output is correct
21 Correct 802 ms 4920 KB Output is correct
22 Correct 831 ms 6276 KB Output is correct
23 Correct 818 ms 6068 KB Output is correct
24 Correct 689 ms 6556 KB Output is correct
25 Correct 436 ms 8364 KB Output is correct
26 Correct 438 ms 8764 KB Output is correct
27 Correct 824 ms 6352 KB Output is correct
28 Correct 804 ms 6476 KB Output is correct
29 Correct 801 ms 6084 KB Output is correct
30 Correct 813 ms 5640 KB Output is correct
31 Correct 861 ms 5488 KB Output is correct
32 Correct 590 ms 7744 KB Output is correct
33 Correct 111 ms 3092 KB Output is correct
34 Correct 97 ms 4332 KB Output is correct
35 Correct 126 ms 4204 KB Output is correct
36 Correct 97 ms 4120 KB Output is correct
37 Correct 447 ms 7496 KB Output is correct
38 Correct 381 ms 6932 KB Output is correct
39 Correct 454 ms 6772 KB Output is correct
40 Correct 440 ms 8512 KB Output is correct
41 Correct 411 ms 8436 KB Output is correct
42 Correct 448 ms 7680 KB Output is correct
43 Correct 283 ms 4424 KB Output is correct
44 Correct 429 ms 7880 KB Output is correct
45 Correct 445 ms 6880 KB Output is correct
46 Correct 343 ms 5672 KB Output is correct
47 Correct 413 ms 5532 KB Output is correct
48 Correct 384 ms 5360 KB Output is correct
49 Correct 312 ms 6252 KB Output is correct
50 Correct 487 ms 6092 KB Output is correct
51 Correct 489 ms 6304 KB Output is correct
52 Correct 308 ms 6108 KB Output is correct
53 Correct 293 ms 4536 KB Output is correct
54 Correct 488 ms 6372 KB Output is correct
55 Correct 392 ms 6564 KB Output is correct
56 Correct 404 ms 6200 KB Output is correct
57 Correct 110 ms 4176 KB Output is correct
58 Correct 98 ms 4240 KB Output is correct
59 Correct 109 ms 4284 KB Output is correct
60 Correct 109 ms 4456 KB Output is correct
61 Correct 446 ms 6824 KB Output is correct
62 Correct 462 ms 6748 KB Output is correct
63 Correct 420 ms 8528 KB Output is correct
64 Correct 459 ms 7828 KB Output is correct
65 Correct 435 ms 7060 KB Output is correct
66 Correct 413 ms 5472 KB Output is correct
67 Correct 503 ms 6592 KB Output is correct
68 Correct 412 ms 7088 KB Output is correct
69 Correct 94 ms 2952 KB Output is correct
70 Correct 97 ms 4228 KB Output is correct
71 Correct 97 ms 4180 KB Output is correct
72 Correct 103 ms 4248 KB Output is correct
73 Correct 572 ms 8068 KB Output is correct
74 Correct 926 ms 5396 KB Output is correct
75 Correct 571 ms 8356 KB Output is correct
76 Correct 691 ms 5668 KB Output is correct
77 Correct 484 ms 6104 KB Output is correct
78 Correct 480 ms 8032 KB Output is correct
79 Correct 404 ms 4944 KB Output is correct
80 Correct 440 ms 8744 KB Output is correct
81 Correct 480 ms 7012 KB Output is correct
82 Correct 468 ms 5732 KB Output is correct
83 Correct 460 ms 8668 KB Output is correct
84 Correct 493 ms 7144 KB Output is correct
85 Correct 810 ms 6064 KB Output is correct
86 Correct 838 ms 6000 KB Output is correct
87 Correct 820 ms 6060 KB Output is correct
88 Correct 804 ms 6164 KB Output is correct
89 Correct 106 ms 4244 KB Output is correct
90 Correct 105 ms 4176 KB Output is correct
91 Correct 109 ms 4100 KB Output is correct
92 Correct 102 ms 4188 KB Output is correct
93 Correct 874 ms 5804 KB Output is correct
94 Correct 798 ms 5104 KB Output is correct
95 Correct 696 ms 7164 KB Output is correct
96 Correct 865 ms 5100 KB Output is correct
97 Correct 494 ms 7008 KB Output is correct
98 Correct 452 ms 8352 KB Output is correct
99 Correct 432 ms 8784 KB Output is correct
100 Correct 443 ms 8460 KB Output is correct
101 Correct 427 ms 5208 KB Output is correct
102 Correct 402 ms 5192 KB Output is correct
103 Correct 467 ms 7172 KB Output is correct
104 Correct 498 ms 6524 KB Output is correct
105 Correct 833 ms 6104 KB Output is correct
106 Correct 820 ms 6492 KB Output is correct
107 Correct 820 ms 6188 KB Output is correct
108 Correct 811 ms 6668 KB Output is correct
109 Correct 459 ms 5460 KB Output is correct
110 Correct 506 ms 6612 KB Output is correct
111 Correct 428 ms 9016 KB Output is correct
112 Correct 425 ms 8584 KB Output is correct
113 Correct 115 ms 4124 KB Output is correct
114 Correct 98 ms 4180 KB Output is correct
115 Correct 105 ms 4228 KB Output is correct
116 Correct 98 ms 4176 KB Output is correct
117 Correct 518 ms 6464 KB Output is correct
118 Correct 460 ms 5480 KB Output is correct
119 Correct 395 ms 4852 KB Output is correct
120 Correct 505 ms 6464 KB Output is correct
121 Correct 476 ms 7096 KB Output is correct
122 Correct 478 ms 7836 KB Output is correct
123 Correct 483 ms 6200 KB Output is correct
124 Correct 380 ms 4836 KB Output is correct
125 Correct 206 ms 5732 KB Output is correct
126 Correct 210 ms 5712 KB Output is correct
127 Correct 249 ms 5844 KB Output is correct
128 Correct 227 ms 5972 KB Output is correct
129 Correct 199 ms 5716 KB Output is correct
130 Correct 224 ms 5712 KB Output is correct
131 Correct 2179 ms 8068 KB Output is correct
132 Correct 2276 ms 9472 KB Output is correct
133 Correct 1834 ms 11636 KB Output is correct
134 Correct 1779 ms 8060 KB Output is correct
135 Correct 2001 ms 12948 KB Output is correct
136 Correct 1663 ms 6996 KB Output is correct
137 Correct 1666 ms 14608 KB Output is correct
138 Correct 1447 ms 10796 KB Output is correct
139 Correct 1614 ms 13268 KB Output is correct
140 Correct 1689 ms 15100 KB Output is correct
141 Correct 1519 ms 11808 KB Output is correct
142 Correct 812 ms 6724 KB Output is correct
143 Correct 1089 ms 8004 KB Output is correct
144 Correct 641 ms 6268 KB Output is correct
145 Correct 1635 ms 14212 KB Output is correct
146 Correct 1345 ms 9388 KB Output is correct
147 Correct 1120 ms 8012 KB Output is correct
148 Correct 1091 ms 7772 KB Output is correct
149 Correct 2157 ms 9972 KB Output is correct
150 Correct 1829 ms 10056 KB Output is correct
151 Correct 2103 ms 9724 KB Output is correct
152 Correct 2235 ms 9724 KB Output is correct
153 Correct 1836 ms 9912 KB Output is correct
154 Correct 2229 ms 9724 KB Output is correct
155 Correct 960 ms 6992 KB Output is correct
156 Correct 1205 ms 8116 KB Output is correct
157 Correct 1676 ms 14280 KB Output is correct
158 Correct 1640 ms 14408 KB Output is correct
159 Correct 1506 ms 11004 KB Output is correct
160 Correct 1418 ms 9644 KB Output is correct
161 Correct 242 ms 5712 KB Output is correct
162 Correct 235 ms 5760 KB Output is correct
163 Correct 230 ms 5856 KB Output is correct
164 Correct 335 ms 5916 KB Output is correct
165 Correct 240 ms 5716 KB Output is correct
166 Correct 221 ms 5816 KB Output is correct
167 Correct 1676 ms 15104 KB Output is correct
168 Correct 1674 ms 15388 KB Output is correct
169 Correct 1665 ms 14104 KB Output is correct
170 Correct 1617 ms 13796 KB Output is correct
171 Correct 1536 ms 11976 KB Output is correct
172 Correct 1276 ms 8784 KB Output is correct
173 Correct 1645 ms 14272 KB Output is correct
174 Correct 1273 ms 9516 KB Output is correct
175 Correct 1556 ms 12732 KB Output is correct
176 Correct 1116 ms 7912 KB Output is correct
177 Correct 1523 ms 11000 KB Output is correct
178 Correct 1488 ms 11312 KB Output is correct