답안 #731848

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
731848 2023-04-28T05:26:37 Z minhcool 새 집 (APIO18_new_home) C++17
57 / 100
5000 ms 260732 KB
#include<bits/stdc++.h>
using namespace std;

//#define int long long
#define fi first
#define se second
#define pb push_back

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

const int N = 3e5 + 5;
const int mod = 1e9 + 7, oo = 1e9 + 7;

/*
Algo (Ig)
*/

int n, k, q;

int a[N], b[N], x[N], t[N];

int l[N], y[N];

vector<int> times;

vector<ii> opes[1048576];
vector<int> asks[N];
multiset<int> mls[N];

vector<int> mini[1048576], maxi[1048576];

vector<int> ask_pos;

// get position to add/erase
ii get_pos(int l, int r){
    assert(l <= r);
    int temp1 = lower_bound(ask_pos.begin(), ask_pos.end(), l) - ask_pos.begin();
    int temp2 = upper_bound(ask_pos.begin(), ask_pos.end(), r) - ask_pos.begin();
    temp2--;
    if(temp2 < temp1){
    //	cout << "OK\n";
    //	exit(0);
	}
    //assert(temp2 >= temp1);
    return {temp1, temp2};
}

void build(int id, int l, int r){
    mini[id].push_back(oo);
    maxi[id].push_back(-oo);
    if(l == r) return;
    int mid = (l + r) >> 1;
    build(id << 1, l, mid);
    build(id << 1 | 1, mid + 1, r);
}

// update the minimum & maximum
void add(int id, int l, int r, int L, int R, int val, int type){
    if(l > R || r < L || l > r) return;
    if(l >= L && r <= R){
        if(!type) mini[id].emplace_back(min(mini[id].back(), val));
        else maxi[id].emplace_back(max(maxi[id].back(), val));
        return;
    }
    int mid = (l + r) >> 1;
    add(id << 1, l, mid, L, R, val, type);
    add(id << 1 | 1, mid + 1, r, L, R, val, type);
}

// erase the lasest changes

void er(int id, int l, int r, int L, int R, int type){
    if(l > R || r < L || l > r) return;
    if(l >= L && r <= R){
        if(!type){
//            assert(mini[id].size());
            mini[id].pop_back();
        }
        else{
  //          assert(maxi[id].size());
            maxi[id].pop_back();
        }
        return;
    }
    int mid = (l + r) >> 1;
    er(id << 1, l, mid, L, R, type);
    er(id << 1 | 1, mid + 1, r, L, R, type);
}

int answer[N];

ii ans_que = {oo, -oo};

// easy query stuff

void que(int id, int l, int r, int pos){
    ans_que.fi = min(ans_que.fi, mini[id].back());
    ans_que.se = max(ans_que.se, maxi[id].back());
    if(l == r) return;
    int mid = (l + r) >> 1;
    if(pos <= mid) que(id << 1, l, mid, pos);
    else que(id << 1 | 1, mid + 1, r, pos);
}

// for persistent segment tree

void upd(int id, int l, int r, int L, int R, ii v){
    if(l > R || r < L) return;
    if(l >= L && r <= R){
        opes[id].pb(v);
        return;
    }
    int mid = (l + r) >> 1;
    upd(id << 1, l, mid, L, R, v);
    upd(id << 1 | 1, mid + 1, r, L, R, v);
}

map<ii, int> answ;// b/c i'm lazy

void trav(int id, int l, int r){
    //cout << id << " " << l << " " << r << "\n";
    for(auto it : opes[id]){
       // cout << id << " " << l << " " << r << " " << it.fi << " " << it.se << "\n";
        multiset<int>::iterator itt = mls[it.se].lower_bound(it.fi), itt2 = itt, itt3;
  //       if(itt == mls[it.se].end()) exit(0);
    //    assert(itt != mls[it.se].end());
        itt2++;
        bool ck1 = (itt == mls[it.se].begin()), ck2 = (itt2 == mls[it.se].end());
        if(ck1 && ck2){// everything turns into -oo and oo
            add(1, 1, ask_pos.size() - 1, 1, ask_pos.size() - 1, -oo, 0);
            add(1, 1, ask_pos.size() - 1, 1, ask_pos.size() - 1, oo, 1);
            mls[it.se].erase(itt);
            continue;
        }
        else if(ck1){// the left side is missing
            int pos = lower_bound(ask_pos.begin(), ask_pos.end(), (*itt2)) - ask_pos.begin();
            pos--;
            if(pos) add(1, 1, ask_pos.size() - 1, 1, pos, (*itt2), 1);
        }
        else if(ck2){// the right side is missing
            itt2--;
            itt2--;
            int pos = lower_bound(ask_pos.begin(), ask_pos.end(), (*itt2)) - ask_pos.begin();
            if(pos < ask_pos.size()) add(1, 1, ask_pos.size() - 1, pos, ask_pos.size() - 1, (*itt2), 0);
        }
        else{
            itt2 = itt3 = itt;
            itt2++; itt3--;
            int md = ((*itt2) + (*itt3)) / 2;
            int pos1 = lower_bound(ask_pos.begin(), ask_pos.end(), (*itt3)) - ask_pos.begin();
            int pos2 = upper_bound(ask_pos.begin(), ask_pos.end(), md) - ask_pos.begin();
            int pos3 = upper_bound(ask_pos.begin(), ask_pos.end(), (*itt2)) - ask_pos.begin();
            pos2--;
            pos3--;
            if(pos1 <= pos2) add(1, 1, ask_pos.size() - 1, pos1, pos2, (*itt3), 0);
            if(pos2 < pos3) add(1, 1, ask_pos.size() - 1, pos2 + 1, pos3, (*itt2), 1);
        }
        mls[it.se].erase(itt);
    }
    if(l == r){
        for(auto it : asks[l]){
            ans_que = {oo, -oo};
            int temp = lower_bound(ask_pos.begin(), ask_pos.end(), it) - ask_pos.begin();
            que(1, 1, ask_pos.size() - 1, temp);
            answ[{times[l], it}] = max(it - ans_que.fi, ans_que.se - it);
        }
    }
    else{
        int mid = (l + r) >> 1;
        trav(id << 1, l, mid);
        trav(id << 1 | 1, mid + 1, r);
    }
    reverse(opes[id].begin(), opes[id].end());
    for(auto it : opes[id]){
        mls[it.se].insert(it.fi);
        multiset<int>::iterator itt = mls[it.se].lower_bound(it.fi), itt2 = itt, itt3;
        assert(itt != mls[it.se].end());
        itt2++;
        bool ck1 = (itt == mls[it.se].begin()), ck2 = (itt2 == mls[it.se].end());
        if(ck1 && ck2){
            er(1, 1, ask_pos.size() - 1,  1, ask_pos.size() - 1, 0);
            er(1, 1, ask_pos.size() - 1, 1, ask_pos.size() - 1, 1);
            continue;
        }
        else if(ck1){
            int pos = lower_bound(ask_pos.begin(), ask_pos.end(), (*itt2)) - ask_pos.begin();
            pos--;
            if(pos) er(1, 1, ask_pos.size() - 1, 1, pos, 1);
        }
        else if(ck2){
            itt2--;
            itt2--;
            int pos = lower_bound(ask_pos.begin(), ask_pos.end(), (*itt2)) - ask_pos.begin();
            if(pos < ask_pos.size()) er(1, 1, ask_pos.size() - 1, pos, ask_pos.size() - 1, 0);
        }
        else{
            itt2 = itt3 = itt;
            itt2++; itt3--;
            int md = ((*itt2) + (*itt3)) / 2;
            int pos1 = lower_bound(ask_pos.begin(), ask_pos.end(), (*itt3)) - ask_pos.begin();
            int pos2 = upper_bound(ask_pos.begin(), ask_pos.end(), md) - ask_pos.begin();
            int pos3 = upper_bound(ask_pos.begin(), ask_pos.end(), (*itt2)) - ask_pos.begin();
            pos2--;
            pos3--;
            if(pos1 <= pos2) er(1, 1, ask_pos.size() - 1, pos1, pos2, 0);
            if(pos2 < pos3) er(1, 1, ask_pos.size() - 1, pos2 + 1, pos3, 1);
        }
        //mls[it.se].insert(it.fi);
    }
}

void process(){
    cin >> n >> k >> q;
    for(int i = 1; i <= n; i++) cin >> x[i] >> t[i] >> a[i] >> b[i];
    for(int i = 1; i <= q; i++){
        cin >> l[i] >> y[i];
        ask_pos.pb(l[i]);
    }
    times.pb(0);
    times.pb(1);
    times.pb(1e8);
    /*
    for(int i = 1; i <= n; i++){
        if(a[i] > 2) times.pb(a[i] - 1);
        if((b[i] + 1) < 1e8) times.pb(b[i] + 1);
    }*/
    ask_pos.pb(0);
    sort(ask_pos.begin(), ask_pos.end());
    ask_pos.resize(unique(ask_pos.begin(), ask_pos.end()) - ask_pos.begin());
    // push the erase operations
    for(int i = 1; i <= q; i++) times.pb(y[i]);
    sort(times.begin(), times.end());
    times.resize(unique(times.begin(), times.end()) - times.begin());
    for(int i = 1; i <= n; i++){
        if(a[i] > 1){
            int le = 1, ri = lower_bound(times.begin(), times.end(), a[i]) - times.begin();
            ri--;
            if(le <= ri) upd(1, 1, times.size() - 1, le, ri, {x[i], t[i]});
        }
        if((b[i] + 1 < 1e8)){
            int le = lower_bound(times.begin(), times.end(), b[i] + 1) - times.begin(), ri = times.size() - 1;
            upd(1, 1, times.size() - 1, le, ri, {x[i], t[i]});
        }
    }
    //exit(0);
    // insert the queries
    for(int i = 1; i <= q; i++){
        int temp = lower_bound(times.begin(), times.end(), y[i]) - times.begin();
        asks[temp].pb(l[i]);
    }
    // initialize (not erase anything)
    for(int i = 1; i <= n; i++) mls[t[i]].insert(x[i]);
   // cout << ask_pos.size() - 1 << "\n";
//    exit(0);
    build(1, 1, ask_pos.size() - 1);
    for(int i = 1; i <= k; i++){
        if(!mls[i].size()){
            add(1, 1, ask_pos.size() - 1,  1, ask_pos.size() - 1, -oo, 0);
            add(1, 1, ask_pos.size() - 1, 1, ask_pos.size() - 1, oo, 1);
            continue;
        }
        //continue;
        int lst = -oo;
        int cnt = 0;
        for(multiset<int>::iterator it = mls[i].begin(); it != mls[i].end(); it++){
            int le = 1, ri = 1e8;
            if(it != mls[i].begin()){
                multiset<int>::iterator it2 = it;
                it2--;
                le = ((*it) + (*it2)) / 2 + 1;
            }
            multiset<int>::iterator it2 = it;
            it2++;
            if(it2 != mls[i].end()) ri = ((*it) + (*it2)) / 2;
 //           if(le > ri || le == ask_pos.size()) continue;
            if(le > ri) continue;
            if(le > ask_pos.back()) continue;
            ii temp = get_pos(le, ri);
            if(temp.fi > temp.se) continue;
            temp.se = min(temp.se, (int)ask_pos.size() - 1);
            if(temp.fi > temp.se) continue;
            int posi = lower_bound(ask_pos.begin(), ask_pos.end(), (*it)) - ask_pos.begin();
            if(temp.fi < posi) add(1, 1, ask_pos.size() - 1, temp.fi, posi - 1, (*it), 1);
            if(posi <= temp.se) add(1, 1, ask_pos.size() - 1, posi, temp.se, (*it), 0);
        }
    }
    //exit(0);
    trav(1, 1, times.size() - 1);
    for(int i = 1; i <= q; i++) cout << (answ[{y[i], l[i]}] <= 1e8 ? answ[{y[i], l[i]}] : -1) << "\n";
}

signed main(){
    ios_base::sync_with_stdio(0);
 //   freopen("test_input.txt", "r", stdin);
   // freopen("test_output.txt", "w", stdout);
    cin.tie(0);
    process();
}

Compilation message

new_home.cpp: In function 'void trav(int, int, int)':
new_home.cpp:146:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  146 |             if(pos < ask_pos.size()) add(1, 1, ask_pos.size() - 1, pos, ask_pos.size() - 1, (*itt2), 0);
      |                ~~~~^~~~~~~~~~~~~~~~
new_home.cpp:196:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  196 |             if(pos < ask_pos.size()) er(1, 1, ask_pos.size() - 1, pos, ask_pos.size() - 1, 0);
      |                ~~~~^~~~~~~~~~~~~~~~
new_home.cpp: In function 'void process()':
new_home.cpp:265:13: warning: unused variable 'lst' [-Wunused-variable]
  265 |         int lst = -oo;
      |             ^~~
new_home.cpp:266:13: warning: unused variable 'cnt' [-Wunused-variable]
  266 |         int cnt = 0;
      |             ^~~
# 결과 실행 시간 메모리 Grader output
1 Correct 50 ms 95308 KB Output is correct
2 Correct 45 ms 95308 KB Output is correct
3 Correct 46 ms 95312 KB Output is correct
4 Correct 58 ms 95368 KB Output is correct
5 Correct 51 ms 95436 KB Output is correct
6 Correct 53 ms 95604 KB Output is correct
7 Correct 46 ms 95544 KB Output is correct
8 Correct 49 ms 95536 KB Output is correct
9 Correct 48 ms 95564 KB Output is correct
10 Correct 54 ms 95564 KB Output is correct
11 Correct 53 ms 95608 KB Output is correct
12 Correct 52 ms 95588 KB Output is correct
13 Correct 54 ms 95596 KB Output is correct
14 Correct 59 ms 95584 KB Output is correct
15 Correct 59 ms 95484 KB Output is correct
16 Correct 50 ms 95568 KB Output is correct
17 Correct 50 ms 95520 KB Output is correct
18 Correct 50 ms 95500 KB Output is correct
19 Correct 60 ms 95564 KB Output is correct
20 Correct 52 ms 95612 KB Output is correct
21 Correct 52 ms 95428 KB Output is correct
22 Correct 58 ms 95576 KB Output is correct
23 Correct 51 ms 95564 KB Output is correct
24 Correct 51 ms 95536 KB Output is correct
25 Correct 55 ms 95520 KB Output is correct
26 Correct 57 ms 95524 KB Output is correct
27 Correct 53 ms 95480 KB Output is correct
28 Correct 51 ms 95520 KB Output is correct
29 Correct 50 ms 95576 KB Output is correct
30 Correct 49 ms 95464 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 50 ms 95308 KB Output is correct
2 Correct 45 ms 95308 KB Output is correct
3 Correct 46 ms 95312 KB Output is correct
4 Correct 58 ms 95368 KB Output is correct
5 Correct 51 ms 95436 KB Output is correct
6 Correct 53 ms 95604 KB Output is correct
7 Correct 46 ms 95544 KB Output is correct
8 Correct 49 ms 95536 KB Output is correct
9 Correct 48 ms 95564 KB Output is correct
10 Correct 54 ms 95564 KB Output is correct
11 Correct 53 ms 95608 KB Output is correct
12 Correct 52 ms 95588 KB Output is correct
13 Correct 54 ms 95596 KB Output is correct
14 Correct 59 ms 95584 KB Output is correct
15 Correct 59 ms 95484 KB Output is correct
16 Correct 50 ms 95568 KB Output is correct
17 Correct 50 ms 95520 KB Output is correct
18 Correct 50 ms 95500 KB Output is correct
19 Correct 60 ms 95564 KB Output is correct
20 Correct 52 ms 95612 KB Output is correct
21 Correct 52 ms 95428 KB Output is correct
22 Correct 58 ms 95576 KB Output is correct
23 Correct 51 ms 95564 KB Output is correct
24 Correct 51 ms 95536 KB Output is correct
25 Correct 55 ms 95520 KB Output is correct
26 Correct 57 ms 95524 KB Output is correct
27 Correct 53 ms 95480 KB Output is correct
28 Correct 51 ms 95520 KB Output is correct
29 Correct 50 ms 95576 KB Output is correct
30 Correct 49 ms 95464 KB Output is correct
31 Correct 3385 ms 137388 KB Output is correct
32 Correct 250 ms 103772 KB Output is correct
33 Correct 3010 ms 132112 KB Output is correct
34 Correct 3419 ms 138844 KB Output is correct
35 Correct 3184 ms 135640 KB Output is correct
36 Correct 2984 ms 130932 KB Output is correct
37 Correct 2390 ms 134140 KB Output is correct
38 Correct 2080 ms 130796 KB Output is correct
39 Correct 1784 ms 131612 KB Output is correct
40 Correct 1805 ms 130744 KB Output is correct
41 Correct 2541 ms 140592 KB Output is correct
42 Correct 2383 ms 140564 KB Output is correct
43 Correct 91 ms 103084 KB Output is correct
44 Correct 2342 ms 140616 KB Output is correct
45 Correct 2598 ms 139064 KB Output is correct
46 Correct 2695 ms 135996 KB Output is correct
47 Correct 1244 ms 135372 KB Output is correct
48 Correct 1251 ms 132648 KB Output is correct
49 Correct 1490 ms 134440 KB Output is correct
50 Correct 1522 ms 139784 KB Output is correct
51 Correct 1632 ms 133488 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2398 ms 240956 KB Output is correct
2 Correct 1552 ms 200932 KB Output is correct
3 Correct 1873 ms 232596 KB Output is correct
4 Correct 2339 ms 239152 KB Output is correct
5 Correct 1359 ms 198088 KB Output is correct
6 Correct 1536 ms 198952 KB Output is correct
7 Correct 1875 ms 232784 KB Output is correct
8 Correct 2186 ms 240204 KB Output is correct
9 Correct 2410 ms 240256 KB Output is correct
10 Correct 2084 ms 217868 KB Output is correct
11 Correct 1203 ms 203360 KB Output is correct
12 Correct 1697 ms 215608 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Execution timed out 5110 ms 260732 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 50 ms 95308 KB Output is correct
2 Correct 45 ms 95308 KB Output is correct
3 Correct 46 ms 95312 KB Output is correct
4 Correct 58 ms 95368 KB Output is correct
5 Correct 51 ms 95436 KB Output is correct
6 Correct 53 ms 95604 KB Output is correct
7 Correct 46 ms 95544 KB Output is correct
8 Correct 49 ms 95536 KB Output is correct
9 Correct 48 ms 95564 KB Output is correct
10 Correct 54 ms 95564 KB Output is correct
11 Correct 53 ms 95608 KB Output is correct
12 Correct 52 ms 95588 KB Output is correct
13 Correct 54 ms 95596 KB Output is correct
14 Correct 59 ms 95584 KB Output is correct
15 Correct 59 ms 95484 KB Output is correct
16 Correct 50 ms 95568 KB Output is correct
17 Correct 50 ms 95520 KB Output is correct
18 Correct 50 ms 95500 KB Output is correct
19 Correct 60 ms 95564 KB Output is correct
20 Correct 52 ms 95612 KB Output is correct
21 Correct 52 ms 95428 KB Output is correct
22 Correct 58 ms 95576 KB Output is correct
23 Correct 51 ms 95564 KB Output is correct
24 Correct 51 ms 95536 KB Output is correct
25 Correct 55 ms 95520 KB Output is correct
26 Correct 57 ms 95524 KB Output is correct
27 Correct 53 ms 95480 KB Output is correct
28 Correct 51 ms 95520 KB Output is correct
29 Correct 50 ms 95576 KB Output is correct
30 Correct 49 ms 95464 KB Output is correct
31 Correct 3385 ms 137388 KB Output is correct
32 Correct 250 ms 103772 KB Output is correct
33 Correct 3010 ms 132112 KB Output is correct
34 Correct 3419 ms 138844 KB Output is correct
35 Correct 3184 ms 135640 KB Output is correct
36 Correct 2984 ms 130932 KB Output is correct
37 Correct 2390 ms 134140 KB Output is correct
38 Correct 2080 ms 130796 KB Output is correct
39 Correct 1784 ms 131612 KB Output is correct
40 Correct 1805 ms 130744 KB Output is correct
41 Correct 2541 ms 140592 KB Output is correct
42 Correct 2383 ms 140564 KB Output is correct
43 Correct 91 ms 103084 KB Output is correct
44 Correct 2342 ms 140616 KB Output is correct
45 Correct 2598 ms 139064 KB Output is correct
46 Correct 2695 ms 135996 KB Output is correct
47 Correct 1244 ms 135372 KB Output is correct
48 Correct 1251 ms 132648 KB Output is correct
49 Correct 1490 ms 134440 KB Output is correct
50 Correct 1522 ms 139784 KB Output is correct
51 Correct 1632 ms 133488 KB Output is correct
52 Correct 486 ms 131484 KB Output is correct
53 Correct 585 ms 132064 KB Output is correct
54 Correct 1512 ms 136136 KB Output is correct
55 Correct 1710 ms 138076 KB Output is correct
56 Correct 1340 ms 135208 KB Output is correct
57 Correct 2139 ms 139740 KB Output is correct
58 Correct 1737 ms 139356 KB Output is correct
59 Correct 1370 ms 137024 KB Output is correct
60 Correct 2140 ms 140304 KB Output is correct
61 Correct 94 ms 103688 KB Output is correct
62 Correct 428 ms 131280 KB Output is correct
63 Correct 1030 ms 134968 KB Output is correct
64 Correct 1292 ms 136796 KB Output is correct
65 Correct 1787 ms 140888 KB Output is correct
66 Correct 2297 ms 141460 KB Output is correct
67 Correct 276 ms 107416 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 50 ms 95308 KB Output is correct
2 Correct 45 ms 95308 KB Output is correct
3 Correct 46 ms 95312 KB Output is correct
4 Correct 58 ms 95368 KB Output is correct
5 Correct 51 ms 95436 KB Output is correct
6 Correct 53 ms 95604 KB Output is correct
7 Correct 46 ms 95544 KB Output is correct
8 Correct 49 ms 95536 KB Output is correct
9 Correct 48 ms 95564 KB Output is correct
10 Correct 54 ms 95564 KB Output is correct
11 Correct 53 ms 95608 KB Output is correct
12 Correct 52 ms 95588 KB Output is correct
13 Correct 54 ms 95596 KB Output is correct
14 Correct 59 ms 95584 KB Output is correct
15 Correct 59 ms 95484 KB Output is correct
16 Correct 50 ms 95568 KB Output is correct
17 Correct 50 ms 95520 KB Output is correct
18 Correct 50 ms 95500 KB Output is correct
19 Correct 60 ms 95564 KB Output is correct
20 Correct 52 ms 95612 KB Output is correct
21 Correct 52 ms 95428 KB Output is correct
22 Correct 58 ms 95576 KB Output is correct
23 Correct 51 ms 95564 KB Output is correct
24 Correct 51 ms 95536 KB Output is correct
25 Correct 55 ms 95520 KB Output is correct
26 Correct 57 ms 95524 KB Output is correct
27 Correct 53 ms 95480 KB Output is correct
28 Correct 51 ms 95520 KB Output is correct
29 Correct 50 ms 95576 KB Output is correct
30 Correct 49 ms 95464 KB Output is correct
31 Correct 3385 ms 137388 KB Output is correct
32 Correct 250 ms 103772 KB Output is correct
33 Correct 3010 ms 132112 KB Output is correct
34 Correct 3419 ms 138844 KB Output is correct
35 Correct 3184 ms 135640 KB Output is correct
36 Correct 2984 ms 130932 KB Output is correct
37 Correct 2390 ms 134140 KB Output is correct
38 Correct 2080 ms 130796 KB Output is correct
39 Correct 1784 ms 131612 KB Output is correct
40 Correct 1805 ms 130744 KB Output is correct
41 Correct 2541 ms 140592 KB Output is correct
42 Correct 2383 ms 140564 KB Output is correct
43 Correct 91 ms 103084 KB Output is correct
44 Correct 2342 ms 140616 KB Output is correct
45 Correct 2598 ms 139064 KB Output is correct
46 Correct 2695 ms 135996 KB Output is correct
47 Correct 1244 ms 135372 KB Output is correct
48 Correct 1251 ms 132648 KB Output is correct
49 Correct 1490 ms 134440 KB Output is correct
50 Correct 1522 ms 139784 KB Output is correct
51 Correct 1632 ms 133488 KB Output is correct
52 Correct 2398 ms 240956 KB Output is correct
53 Correct 1552 ms 200932 KB Output is correct
54 Correct 1873 ms 232596 KB Output is correct
55 Correct 2339 ms 239152 KB Output is correct
56 Correct 1359 ms 198088 KB Output is correct
57 Correct 1536 ms 198952 KB Output is correct
58 Correct 1875 ms 232784 KB Output is correct
59 Correct 2186 ms 240204 KB Output is correct
60 Correct 2410 ms 240256 KB Output is correct
61 Correct 2084 ms 217868 KB Output is correct
62 Correct 1203 ms 203360 KB Output is correct
63 Correct 1697 ms 215608 KB Output is correct
64 Execution timed out 5110 ms 260732 KB Time limit exceeded
65 Halted 0 ms 0 KB -