답안 #882986

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
882986 2023-12-04T10:51:54 Z MilosMilutinovic Wild Boar (JOI18_wild_boar) C++14
100 / 100
10090 ms 1009032 KB
#include <bits/stdc++.h>
 
using namespace std;
 
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, m, t, l;
  cin >> n >> m >> t >> l;
  vector<vector<pair<int, int>>> g(n);
  for (int i = 0; i < m; i++) {
    int x, y, z;
    cin >> x >> y >> z;
    --x; --y;
    g[x].emplace_back(y, z);
    g[y].emplace_back(x, z);
  }
  vector<int> seq(l);
  for (int i = 0; i < l; i++) {
    cin >> seq[i];
    --seq[i];
  }
  vector<int> deg(n);
  for (int i = 0; i < n; i++) {
    deg[i] = (int) g[i].size();
  }
  vector<vector<int>> idx(n, vector<int>(n));
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < deg[i]; j++) {
      idx[i][g[i][j].first] = j;
    }
  }
  const long long inf = (long long) 1e18;
  vector<vector<vector<vector<long long>>>> dist(n, vector<vector<vector<long long>>>(n));
  for (int i = 0; i < n; i++) {
    for (int j = i + 1; j < n; j++) {
      if (i == j) {
        continue;
      }
      dist[i][j].resize(deg[i]);
      for (int k = 0; k < deg[i]; k++) {
        dist[i][j][k] = vector<long long>(deg[j], inf);
      }
    }
  }
  vector<vector<long long>> d(n);
  for (int i = 0; i < n; i++) {
    d[i].resize(deg[i]);
  }
  vector<int> ia(n), ib(n);
  set<tuple<long long, int, int>> que;
  for (int ver = 0; ver < n; ver++) {
    for (int e = 0; e < deg[ver]; e++) {
      for (int i = 0; i < n; i++) {
        for (int j = 0; j < deg[i]; j++) {
          d[i][j] = inf;
        }
        ia[i] = -1;
        ib[i] = -1;
      }
      int to = g[ver][e].first;
      int w = g[ver][e].second;
      d[to][idx[to][ver]] = w;
      que.clear();
      que.emplace(d[to][idx[to][ver]], to, idx[to][ver]);
      ia[to] = idx[to][ver];
      auto Update = [&](int x, int y, long long z) {
        if (ia[x] == y || ib[x] == y) {
          que.erase(que.find({d[x][y], x, y}));
        }
        d[x][y] = z;
        if (ia[x] == y) {
          return;
        }
        if (ib[x] == y) {
          if (d[x][y] < d[x][ia[x]]) {
            swap(ia[x], ib[x]);
          }
          return;
        }
        if (ia[x] == -1) {
          ia[x] = y;
          que.emplace(d[x][y], x, y);
          return;
        }
        if (ib[x] == -1) {
          if (d[x][y] < d[x][ia[x]]) {
            swap(ia[x], ib[x]);
            ia[x] = y;
          } else {
            ib[x] = y;
          }
          que.emplace(d[x][y], x, y);
          return;
        }
        if (d[x][y] >= d[x][ia[x]] && d[x][y] < d[x][ib[x]]) {
          que.erase(que.find({d[x][ib[x]], x, ib[x]}));
          ib[x] = y;
          que.emplace(d[x][y], x, y);
          return;
        }
        if (d[x][y] < d[x][ia[x]]) {
          que.erase(que.find({d[x][ib[x]], x, ib[x]}));
          swap(ia[x], ib[x]);
          ia[x] = y;
          que.emplace(d[x][y], x, y);
        }
      };
      while (!que.empty()) {
        auto it = que.begin();
        int v = get<1>(*it);
        int lst = get<2>(*it);
        que.erase(it);
        for (int i = 0; i < deg[v]; i++) {
          if (i == lst) {
            continue;
          }
          int to = g[v][i].first;
          int w = g[v][i].second;
          if (d[to][idx[to][v]] > d[v][lst] + w) {
            Update(to, idx[to][v], d[v][lst] + w);
            assert((int) que.size() <= 2 * n);
          }
        }
      }
      for (int i = ver + 1; i < n; i++) {
        if (i == ver) {
          continue;
        }
        for (int j = 0; j < deg[i]; j++) {
          dist[ver][i][e][j] = d[i][j];
        }
      }
    }
  }
  vector<vector<vector<vector<int>>>> good(n, vector<vector<vector<int>>>(n, vector<vector<int>>(2)));
  vector<vector<int>> cc(n, vector<int>(2));
  for (int from = 0; from < n; from++) {
    for (int to = 0; to < n; to++) {
      if (from == to) {
        continue;
      }
      vector<pair<int, int>> order;
      for (int i = 0; i < deg[from]; i++) {
        for (int j = 0; j < deg[to]; j++) {
          order.emplace_back(i, j);
        }
      }
      if (from <= to) {
        sort(order.begin(), order.end(), [&](pair<int, int> a, pair<int, int> b) {
          return dist[from][to][a.first][a.second] < dist[from][to][b.first][b.second];
        });
      } else {
        sort(order.begin(), order.end(), [&](pair<int, int> a, pair<int, int> b) {
          return dist[to][from][a.second][a.first] < dist[to][from][b.second][b.first];
        });
      }
      int total = 0;
      for (auto& p : order) {
        if (cc[p.first][0] >= 2 || cc[p.second][1] >= 2) {
          continue;
        }
        good[from][to][0].push_back(p.first);
        good[from][to][1].push_back(p.second);
        cc[p.first][0] += 1;
        cc[p.second][1] += 1;
        total += 1;
        if (total >= 5) {
          break;
        }
      }
      for (int t = 0; t < 2; t++) {
        sort(good[from][to][t].begin(), good[from][to][t].end());
        good[from][to][t].erase(unique(good[from][to][t].begin(), good[from][to][t].end()), good[from][to][t].end());
      }
      for (int i = 0; i < deg[from]; i++) {
        cc[i][0] = 0;
      }
      for (int i = 0; i < deg[to]; i++) {
        cc[i][1] = 0;
      }
    }
  }
  vector<vector<vector<int>>> f(l, vector<vector<int>>(2));
  auto Update = [&](int i) {
    f[i][0].clear();
    f[i][1].clear();
    if (i > 0) {
      for (int j : good[seq[i - 1]][seq[i]][1]) {
        f[i][0].push_back(j);
      }
    }
    if (i + 1 < l) {
      for (int j : good[seq[i]][seq[i + 1]][0]) {
        f[i][1].push_back(j);
      }
    }
  };
  vector<vector<vector<long long>>> st(4 * l);
  auto Pull = [&](int x, int l, int r) {
    int mid = l + r >> 1;
    st[x].clear();
    for (int ll = 0; ll < (int) st[x * 2].size(); ll++) {
      for (int lr = 0; lr < (int) st[x * 2][ll].size(); lr++) {
        if (st[x].empty()) {
          st[x].resize((int) st[x * 2].size());
        }
        for (int rl = 0; rl < (int) st[x * 2 + 1].size(); rl++) {
          if (st[x][ll].empty()) {
            st[x][ll] = vector<long long>((int) st[x * 2 + 1][rl].size(), inf);
          }
          if (f[mid + 1][0][lr] == f[mid + 1][1][rl]) {
            continue;
          }
          if (st[x * 2][ll][lr] != inf) {
            for (int rr = 0; rr < (int) st[x * 2 + 1][rl].size(); rr++) {
              st[x][ll][rr] = min(st[x][ll][rr], st[x * 2][ll][lr] + st[x * 2 + 1][rl][rr]);
            }
          }
        }
      }
    }
  };
  function<void(int, int, int)> Build = [&](int x, int l, int r) {
    if (l == r) {
      st[x].resize(f[l][1].size());
      for (int i = 0; i < f[l][1].size(); i++) {
        st[x][i] = vector<long long>(f[l + 1][0].size(), inf);
      }
      for (int i = 0; i < f[l][1].size(); i++) {
        for (int j = 0; j < f[l + 1][0].size(); j++) {
          if (seq[l] <= seq[l + 1]) {
            st[x][i][j] = min(st[x][i][j], dist[seq[l]][seq[l + 1]][f[l][1][i]][f[l + 1][0][j]]);
          } else {
            st[x][i][j] = min(st[x][i][j], dist[seq[l + 1]][seq[l]][f[l + 1][0][j]][f[l][1][i]]);
          }
        }
      }
      return;
    }
    int mid = l + r >> 1;
    Build(x * 2, l, mid);
    Build(x * 2 + 1, mid + 1, r);
    Pull(x, l, r);
  };
  function<void(int, int, int, int)> Modify = [&](int x, int l, int r, int p) {
    if (l == r) {
      st[x].resize(f[l][1].size());
      for (int i = 0; i < f[l][1].size(); i++) {
        st[x][i] = vector<long long>(f[l + 1][0].size(), inf);
      }
      for (int i = 0; i < f[l][1].size(); i++) {
        for (int j = 0; j < f[l + 1][0].size(); j++) {
          if (seq[l] <= seq[l + 1]) {
            st[x][i][j] = min(st[x][i][j], dist[seq[l]][seq[l + 1]][f[l][1][i]][f[l + 1][0][j]]);
          } else {
            st[x][i][j] = min(st[x][i][j], dist[seq[l + 1]][seq[l]][f[l + 1][0][j]][f[l][1][i]]);
          }
        }
      }
      return;
    }
    int mid = l + r >> 1;
    if (p <= mid) {
      Modify(x * 2, l, mid, p);
    } else {
      Modify(x * 2 + 1, mid + 1, r, p);
    }
    Pull(x, l, r);
  };
  for (int i = 0; i < l; i++) {
    Update(i);
  }
  Build(1, 0, l - 2);
  auto Solve = [&]() {
    long long res = inf;
    for (int i = 0; i < st[1].size(); i++) {
      for (int j = 0; j < st[1][i].size(); j++) {
        res = min(res, st[1][i][j]);
      }
    }
    return (res == inf ? -1LL : res);
  };
  while (t--) {
    int p, x;
    cin >> p >> x;
    --p; --x;
    seq[p] = x;
    Update(p);
    if (p > 0) {
      Update(p - 1);
    }
    if (p + 1 < l) {
      Update(p + 1);
    }
    if (p <= l - 2) {
      Modify(1, 0, l - 2, p);
    }
    if (p + 1 <= l - 2) {
      Modify(1, 0, l - 2, p + 1);
    }
    if (p + 2 <= l - 2) {
      //Modify(1, 0, l - 2, p + 2);
    }
    if (p > 0) {
      Modify(1, 0, l - 2, p - 1);
    }
    if (p > 1) {
      //Modify(1, 0, l - 2, p - 2);
    }
    cout << Solve() << '\n';
  }
  return 0;
}

Compilation message

wild_boar.cpp: In lambda function:
wild_boar.cpp:201:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  201 |     int mid = l + r >> 1;
      |               ~~^~~
wild_boar.cpp: In lambda function:
wild_boar.cpp:227:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  227 |       for (int i = 0; i < f[l][1].size(); i++) {
      |                       ~~^~~~~~~~~~~~~~~~
wild_boar.cpp:230:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  230 |       for (int i = 0; i < f[l][1].size(); i++) {
      |                       ~~^~~~~~~~~~~~~~~~
wild_boar.cpp:231:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  231 |         for (int j = 0; j < f[l + 1][0].size(); j++) {
      |                         ~~^~~~~~~~~~~~~~~~~~~~
wild_boar.cpp:241:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  241 |     int mid = l + r >> 1;
      |               ~~^~~
wild_boar.cpp: In lambda function:
wild_boar.cpp:249:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  249 |       for (int i = 0; i < f[l][1].size(); i++) {
      |                       ~~^~~~~~~~~~~~~~~~
wild_boar.cpp:252:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  252 |       for (int i = 0; i < f[l][1].size(); i++) {
      |                       ~~^~~~~~~~~~~~~~~~
wild_boar.cpp:253:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  253 |         for (int j = 0; j < f[l + 1][0].size(); j++) {
      |                         ~~^~~~~~~~~~~~~~~~~~~~
wild_boar.cpp:263:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  263 |     int mid = l + r >> 1;
      |               ~~^~~
wild_boar.cpp: In lambda function:
wild_boar.cpp:277:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  277 |     for (int i = 0; i < st[1].size(); i++) {
      |                     ~~^~~~~~~~~~~~~~
wild_boar.cpp:278:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  278 |       for (int j = 0; j < st[1][i].size(); j++) {
      |                       ~~^~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 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 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 504 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 0 ms 600 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 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 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 504 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 0 ms 600 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 2 ms 600 KB Output is correct
27 Correct 120 ms 48468 KB Output is correct
28 Correct 115 ms 48436 KB Output is correct
29 Correct 280 ms 70972 KB Output is correct
30 Correct 400 ms 83872 KB Output is correct
31 Correct 383 ms 97148 KB Output is correct
32 Correct 319 ms 94624 KB Output is correct
33 Correct 248 ms 67864 KB Output is correct
34 Correct 250 ms 68008 KB Output is correct
35 Correct 376 ms 107916 KB Output is correct
36 Correct 369 ms 105440 KB Output is correct
37 Correct 240 ms 69344 KB Output is correct
38 Correct 228 ms 66768 KB Output is correct
39 Correct 344 ms 101184 KB Output is correct
40 Correct 267 ms 67004 KB Output is correct
41 Correct 257 ms 66936 KB Output is correct
42 Correct 349 ms 106524 KB Output is correct
43 Correct 239 ms 67996 KB Output is correct
44 Correct 242 ms 67824 KB Output is correct
45 Correct 210 ms 71592 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 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 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 504 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 0 ms 600 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 2 ms 600 KB Output is correct
27 Correct 120 ms 48468 KB Output is correct
28 Correct 115 ms 48436 KB Output is correct
29 Correct 280 ms 70972 KB Output is correct
30 Correct 400 ms 83872 KB Output is correct
31 Correct 383 ms 97148 KB Output is correct
32 Correct 319 ms 94624 KB Output is correct
33 Correct 248 ms 67864 KB Output is correct
34 Correct 250 ms 68008 KB Output is correct
35 Correct 376 ms 107916 KB Output is correct
36 Correct 369 ms 105440 KB Output is correct
37 Correct 240 ms 69344 KB Output is correct
38 Correct 228 ms 66768 KB Output is correct
39 Correct 344 ms 101184 KB Output is correct
40 Correct 267 ms 67004 KB Output is correct
41 Correct 257 ms 66936 KB Output is correct
42 Correct 349 ms 106524 KB Output is correct
43 Correct 239 ms 67996 KB Output is correct
44 Correct 242 ms 67824 KB Output is correct
45 Correct 210 ms 71592 KB Output is correct
46 Correct 192 ms 16176 KB Output is correct
47 Correct 3041 ms 254136 KB Output is correct
48 Correct 3297 ms 349592 KB Output is correct
49 Correct 3672 ms 440232 KB Output is correct
50 Correct 3717 ms 434076 KB Output is correct
51 Correct 3779 ms 425908 KB Output is correct
52 Correct 3737 ms 400312 KB Output is correct
53 Correct 3991 ms 399756 KB Output is correct
54 Correct 3758 ms 399896 KB Output is correct
55 Correct 3764 ms 397752 KB Output is correct
56 Correct 3883 ms 443880 KB Output is correct
57 Correct 4414 ms 493736 KB Output is correct
58 Correct 4537 ms 542832 KB Output is correct
59 Correct 5675 ms 596496 KB Output is correct
60 Correct 6162 ms 652640 KB Output is correct
61 Correct 5409 ms 713248 KB Output is correct
62 Correct 5883 ms 779208 KB Output is correct
63 Correct 6198 ms 847944 KB Output is correct
64 Correct 4348 ms 1005884 KB Output is correct
65 Correct 3868 ms 1005464 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 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 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 504 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 0 ms 600 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 2 ms 600 KB Output is correct
27 Correct 120 ms 48468 KB Output is correct
28 Correct 115 ms 48436 KB Output is correct
29 Correct 280 ms 70972 KB Output is correct
30 Correct 400 ms 83872 KB Output is correct
31 Correct 383 ms 97148 KB Output is correct
32 Correct 319 ms 94624 KB Output is correct
33 Correct 248 ms 67864 KB Output is correct
34 Correct 250 ms 68008 KB Output is correct
35 Correct 376 ms 107916 KB Output is correct
36 Correct 369 ms 105440 KB Output is correct
37 Correct 240 ms 69344 KB Output is correct
38 Correct 228 ms 66768 KB Output is correct
39 Correct 344 ms 101184 KB Output is correct
40 Correct 267 ms 67004 KB Output is correct
41 Correct 257 ms 66936 KB Output is correct
42 Correct 349 ms 106524 KB Output is correct
43 Correct 239 ms 67996 KB Output is correct
44 Correct 242 ms 67824 KB Output is correct
45 Correct 210 ms 71592 KB Output is correct
46 Correct 192 ms 16176 KB Output is correct
47 Correct 3041 ms 254136 KB Output is correct
48 Correct 3297 ms 349592 KB Output is correct
49 Correct 3672 ms 440232 KB Output is correct
50 Correct 3717 ms 434076 KB Output is correct
51 Correct 3779 ms 425908 KB Output is correct
52 Correct 3737 ms 400312 KB Output is correct
53 Correct 3991 ms 399756 KB Output is correct
54 Correct 3758 ms 399896 KB Output is correct
55 Correct 3764 ms 397752 KB Output is correct
56 Correct 3883 ms 443880 KB Output is correct
57 Correct 4414 ms 493736 KB Output is correct
58 Correct 4537 ms 542832 KB Output is correct
59 Correct 5675 ms 596496 KB Output is correct
60 Correct 6162 ms 652640 KB Output is correct
61 Correct 5409 ms 713248 KB Output is correct
62 Correct 5883 ms 779208 KB Output is correct
63 Correct 6198 ms 847944 KB Output is correct
64 Correct 4348 ms 1005884 KB Output is correct
65 Correct 3868 ms 1005464 KB Output is correct
66 Correct 144 ms 63084 KB Output is correct
67 Correct 1458 ms 242260 KB Output is correct
68 Correct 2963 ms 960268 KB Output is correct
69 Correct 3373 ms 961584 KB Output is correct
70 Correct 4428 ms 1009032 KB Output is correct
71 Correct 7170 ms 250924 KB Output is correct
72 Correct 9984 ms 368204 KB Output is correct
73 Correct 6026 ms 407052 KB Output is correct
74 Correct 5949 ms 407604 KB Output is correct
75 Correct 5818 ms 405616 KB Output is correct
76 Correct 7800 ms 436780 KB Output is correct
77 Correct 9977 ms 448852 KB Output is correct
78 Correct 10090 ms 450416 KB Output is correct
79 Correct 6197 ms 497328 KB Output is correct
80 Correct 6228 ms 549344 KB Output is correct
81 Correct 9027 ms 639496 KB Output is correct
82 Correct 6171 ms 660040 KB Output is correct
83 Correct 9802 ms 767964 KB Output is correct
84 Correct 6390 ms 853088 KB Output is correct
85 Correct 4757 ms 1007656 KB Output is correct