Submission #914015

# Submission time Handle Problem Language Result Execution time Memory
914015 2024-01-20T19:15:51 Z mychecksedad Maze (JOI23_ho_t3) C++17
8 / 100
441 ms 450972 KB
/* Author : Mychecksdead  */
#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define pb push_back
#define all(x) x.begin(), x.end()
#define en cout << '\n'
const int N = 6e6+100, M = 1e5+10, K = 52, MX = 30;

int r, c, n, sx, sy, ex, ey, arr[4][2]={{1, 0}, {-1, 0}, {0, 1}, {0, -1}}; 
string s[N];
vector<vector<int>> dp, dist;
vector<array<int, 2>> g[N];

int calc(int x, int y, int ax, int ay){
  if(x==ax) return dp[0][abs(y-ay)-1];
  if(y==ay) return dp[abs(x-ax)-1][0];
  return min(dp[abs(x-ax)][abs(y-ay)-1], dp[abs(x-ax)-1][abs(y-ay)]);
}

void solve(){
  cin >> r >> c >> n >> sx >> sy >> ex >> ey;
  sx--, sy--, ex--, ey--;
  for(int i = 0; i < r; ++i) cin >> s[i];
  dp.resize(r + 5);
  dist.resize(r + 5);
  for(int i = 0; i < r + 5; ++i){
    dp[i].resize(c + 5);
    dist[i].resize(c + 5);
    for(int j = 0; j < c + 5; ++j){
      if(i==j && i==0) dp[i][j] = 0;
      else{
        if(i < n || j < n) dp[i][j] = max((i+n-1)/n, (j+n-1)/n);
        else dp[i][j] = min({dp[i-n][j-n+1], dp[i-n+1][j-n], dp[i-n][j], dp[i][j-n]}) + 1;
      }
    }
  }
  // for(int i = 0; i <= r; ++i){
  //   for(int j = 0; j <= c; ++j){
  //     cout << i << ' ' << j << ' ' << dp[i][j] << '\n';
  //   }
  //   en;
  // }
  vector<vector<pair<int, int>>> C;
  vector<vector<int>> vis(r, vector<int>(c));
  for(int i = 0; i < r; ++i){
    for(int j = 0; j < c; ++j){
      if(s[i][j] == '#' || vis[i][j]) continue;
      queue<pair<int, int>> q;
      q.push({i, j});
      vis[i][j] = C.size() + 1;
      C.pb({});
      while(!q.empty()){
        int x = q.front().first, y = q.front().second;
        q.pop();
        C.back().pb({x, y});
        for(int l = 0; l < 4; ++l){
          int x1 = x + arr[l][0], x2 = y + arr[l][1];
          if(x1 >= 0 && x2 >= 0 && x1 < r && x2 < c && s[x1][x2] != '#' && !vis[x1][x2]){
            q.push({x1, x2});
            vis[x1][x2] = C.size();
          }
        }
      }
    }
  }
  for(int i = 0; i < r; ++i){
    int last = -1;
    for(int j = c - 1; j >= 0; --j){
      if(s[i][j] == '.') last = j;
      dist[i][j] = last; 
    }
  }
  for(int i = 0; i < r; ++i){
    for(int j = 0; j < c; ++j){
      if(s[i][j] == '#') continue;
      int x = i;
      int v = vis[i][j];
      if(j < c - 1){
        if(dist[i][j + 1] != -1){
          int u = vis[i][dist[i][j + 1]];
          if(u != v){
            g[v].pb({u, calc(i, j, i, dist[i][j+1])});
            g[u].pb({v, calc(i, j, i, dist[i][j+1])});
          }
        }
      }
      for(int l = x - 1; l >= 0; --l){
        if(s[l][j] != '#'){
          int u = vis[l][j];
          if(u==v) break;
          g[v].pb({u, calc(i, j, l, j)});
          g[u].pb({v, calc(i, j, l, j)});
          break;
        }
        if(dist[l][j] != -1){
          int u = vis[l][dist[l][j]];
          g[v].pb({u, calc(i, j, l, dist[l][j])});
          g[u].pb({v, calc(i, j, l, dist[l][j])});
        }
      }
      for(int l = x + 1; l < r; ++l){
        if(s[l][j] != '#'){
          int u = vis[l][j];
          if(u==v) break;
          g[v].pb({u, calc(i, j, l, j)});
          g[u].pb({v, calc(i, j, l, j)});
          break;
        }
        if(dist[l][j] != -1){
          int u = vis[l][dist[l][j]];
          g[v].pb({u, calc(i, j, l, dist[l][j])});
          g[u].pb({v, calc(i, j, l, dist[l][j])});
        }
      }
    }
  }
  priority_queue<pair<int, int>> Q;
  Q.push({0, vis[sx][sy]});
  vector<int> D(N, MOD);
  vector<bool> used(N);
  D[vis[sx][sy]] = 0;
  while(!Q.empty()){
    int v = Q.top().second; Q.pop();
    if(used[v]) continue;
    used[v] = 1;
    for(auto U: g[v]){
      int u = U[0];
      if(!used[u] && D[u] > D[v] + U[1]){
        D[u] = D[v] + U[1];
        Q.push({-D[u], u});
      }
    }
  }
  // int c = 0;
  // for(auto v: C){
  //   cout << c+1 << '\n';
  //   ++c;
  //   for(auto p: v) cout << p.first << ' ' << p.second << '\n';
  //   en;
  // }
  // en;
  // en;
  // for(int i = 1; i <= C.size(); ++i){
  //   cout << i << '\n';
  //   for(auto u: g[i]){
  //     cout << u[0] << ' ' << u[1] << '\n';
  //   }
  //   en;
  // }

  cout << min(D[vis[ex][ey]], calc(sx, sy, ex, ey));
}


int main(){
  cin.tie(0); ios::sync_with_stdio(0);
  int tt = 1, aa;
  // freopen("in.txt", "r", stdin);
  // freopen("out.txt", "w", stdout);
  while(tt--){
    solve();
    en;
  }
  cerr<<"time taken : "<<(float)clock()/CLOCKS_PER_SEC<<" seconds\n";
  return 0;
} 

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:160:15: warning: unused variable 'aa' [-Wunused-variable]
  160 |   int tt = 1, aa;
      |               ^~
# Verdict Execution time Memory Grader output
1 Correct 108 ms 353364 KB Output is correct
2 Correct 107 ms 353252 KB Output is correct
3 Correct 106 ms 353360 KB Output is correct
4 Correct 105 ms 353360 KB Output is correct
5 Correct 108 ms 353364 KB Output is correct
6 Correct 107 ms 353360 KB Output is correct
7 Correct 107 ms 353364 KB Output is correct
8 Correct 106 ms 353356 KB Output is correct
9 Correct 106 ms 353360 KB Output is correct
10 Correct 104 ms 353364 KB Output is correct
11 Correct 105 ms 353432 KB Output is correct
12 Correct 105 ms 353408 KB Output is correct
13 Correct 104 ms 353268 KB Output is correct
14 Correct 106 ms 353364 KB Output is correct
15 Correct 107 ms 353208 KB Output is correct
16 Correct 104 ms 353360 KB Output is correct
17 Correct 107 ms 353320 KB Output is correct
18 Correct 104 ms 353412 KB Output is correct
19 Correct 112 ms 356696 KB Output is correct
20 Correct 110 ms 355740 KB Output is correct
21 Correct 108 ms 354768 KB Output is correct
22 Correct 117 ms 357312 KB Output is correct
23 Correct 110 ms 355544 KB Output is correct
24 Correct 111 ms 357152 KB Output is correct
25 Correct 110 ms 356476 KB Output is correct
26 Correct 114 ms 356728 KB Output is correct
27 Correct 121 ms 357460 KB Output is correct
28 Correct 113 ms 356836 KB Output is correct
29 Correct 122 ms 361812 KB Output is correct
30 Correct 116 ms 356748 KB Output is correct
31 Correct 117 ms 356580 KB Output is correct
32 Correct 134 ms 363148 KB Output is correct
33 Correct 119 ms 359508 KB Output is correct
34 Correct 119 ms 362880 KB Output is correct
35 Correct 116 ms 361152 KB Output is correct
36 Correct 130 ms 361796 KB Output is correct
37 Correct 135 ms 363152 KB Output is correct
38 Correct 124 ms 362352 KB Output is correct
39 Correct 358 ms 441480 KB Output is correct
40 Correct 133 ms 362792 KB Output is correct
41 Correct 128 ms 366296 KB Output is correct
42 Correct 152 ms 367548 KB Output is correct
43 Correct 137 ms 366448 KB Output is correct
44 Correct 197 ms 385788 KB Output is correct
45 Correct 201 ms 386276 KB Output is correct
46 Correct 181 ms 386992 KB Output is correct
47 Correct 441 ms 450292 KB Output is correct
48 Correct 353 ms 433032 KB Output is correct
49 Correct 254 ms 448884 KB Output is correct
50 Correct 212 ms 432396 KB Output is correct
51 Correct 371 ms 439040 KB Output is correct
52 Correct 436 ms 450972 KB Output is correct
53 Correct 366 ms 444024 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 106 ms 353280 KB Output is correct
2 Correct 104 ms 353240 KB Output is correct
3 Correct 105 ms 353364 KB Output is correct
4 Correct 105 ms 353288 KB Output is correct
5 Correct 107 ms 353364 KB Output is correct
6 Correct 106 ms 353352 KB Output is correct
7 Correct 105 ms 353364 KB Output is correct
8 Correct 107 ms 353364 KB Output is correct
9 Correct 104 ms 353360 KB Output is correct
10 Correct 106 ms 353284 KB Output is correct
11 Correct 106 ms 353364 KB Output is correct
12 Correct 106 ms 353364 KB Output is correct
13 Correct 105 ms 353344 KB Output is correct
14 Correct 106 ms 353364 KB Output is correct
15 Correct 105 ms 353360 KB Output is correct
16 Correct 105 ms 353364 KB Output is correct
17 Incorrect 109 ms 353352 KB Output isn't correct
18 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 107 ms 353272 KB Output is correct
2 Correct 106 ms 353360 KB Output is correct
3 Correct 111 ms 353368 KB Output is correct
4 Correct 106 ms 353364 KB Output is correct
5 Correct 111 ms 353364 KB Output is correct
6 Correct 107 ms 353360 KB Output is correct
7 Correct 108 ms 353360 KB Output is correct
8 Correct 108 ms 353360 KB Output is correct
9 Correct 113 ms 353684 KB Output is correct
10 Correct 108 ms 353364 KB Output is correct
11 Correct 106 ms 353360 KB Output is correct
12 Correct 106 ms 353496 KB Output is correct
13 Correct 109 ms 353516 KB Output is correct
14 Correct 106 ms 353388 KB Output is correct
15 Correct 107 ms 353324 KB Output is correct
16 Correct 108 ms 353444 KB Output is correct
17 Correct 109 ms 353364 KB Output is correct
18 Correct 109 ms 353412 KB Output is correct
19 Correct 106 ms 353296 KB Output is correct
20 Correct 107 ms 353256 KB Output is correct
21 Correct 110 ms 353536 KB Output is correct
22 Correct 108 ms 353396 KB Output is correct
23 Correct 111 ms 353452 KB Output is correct
24 Correct 106 ms 353520 KB Output is correct
25 Incorrect 116 ms 355968 KB Output isn't correct
26 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 106 ms 353280 KB Output is correct
2 Correct 104 ms 353240 KB Output is correct
3 Correct 105 ms 353364 KB Output is correct
4 Correct 105 ms 353288 KB Output is correct
5 Correct 107 ms 353364 KB Output is correct
6 Correct 106 ms 353352 KB Output is correct
7 Correct 105 ms 353364 KB Output is correct
8 Correct 107 ms 353364 KB Output is correct
9 Correct 104 ms 353360 KB Output is correct
10 Correct 106 ms 353284 KB Output is correct
11 Correct 106 ms 353364 KB Output is correct
12 Correct 106 ms 353364 KB Output is correct
13 Correct 105 ms 353344 KB Output is correct
14 Correct 106 ms 353364 KB Output is correct
15 Correct 105 ms 353360 KB Output is correct
16 Correct 105 ms 353364 KB Output is correct
17 Incorrect 109 ms 353352 KB Output isn't correct
18 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 106 ms 353280 KB Output is correct
2 Correct 104 ms 353240 KB Output is correct
3 Correct 105 ms 353364 KB Output is correct
4 Correct 105 ms 353288 KB Output is correct
5 Correct 107 ms 353364 KB Output is correct
6 Correct 106 ms 353352 KB Output is correct
7 Correct 105 ms 353364 KB Output is correct
8 Correct 107 ms 353364 KB Output is correct
9 Correct 104 ms 353360 KB Output is correct
10 Correct 106 ms 353284 KB Output is correct
11 Correct 106 ms 353364 KB Output is correct
12 Correct 106 ms 353364 KB Output is correct
13 Correct 105 ms 353344 KB Output is correct
14 Correct 106 ms 353364 KB Output is correct
15 Correct 105 ms 353360 KB Output is correct
16 Correct 105 ms 353364 KB Output is correct
17 Incorrect 109 ms 353352 KB Output isn't correct
18 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 108 ms 353364 KB Output is correct
2 Correct 107 ms 353252 KB Output is correct
3 Correct 106 ms 353360 KB Output is correct
4 Correct 105 ms 353360 KB Output is correct
5 Correct 108 ms 353364 KB Output is correct
6 Correct 107 ms 353360 KB Output is correct
7 Correct 107 ms 353364 KB Output is correct
8 Correct 106 ms 353356 KB Output is correct
9 Correct 106 ms 353360 KB Output is correct
10 Correct 104 ms 353364 KB Output is correct
11 Correct 105 ms 353432 KB Output is correct
12 Correct 105 ms 353408 KB Output is correct
13 Correct 104 ms 353268 KB Output is correct
14 Correct 106 ms 353364 KB Output is correct
15 Correct 107 ms 353208 KB Output is correct
16 Correct 104 ms 353360 KB Output is correct
17 Correct 107 ms 353320 KB Output is correct
18 Correct 104 ms 353412 KB Output is correct
19 Correct 112 ms 356696 KB Output is correct
20 Correct 110 ms 355740 KB Output is correct
21 Correct 108 ms 354768 KB Output is correct
22 Correct 117 ms 357312 KB Output is correct
23 Correct 110 ms 355544 KB Output is correct
24 Correct 111 ms 357152 KB Output is correct
25 Correct 110 ms 356476 KB Output is correct
26 Correct 114 ms 356728 KB Output is correct
27 Correct 121 ms 357460 KB Output is correct
28 Correct 113 ms 356836 KB Output is correct
29 Correct 122 ms 361812 KB Output is correct
30 Correct 116 ms 356748 KB Output is correct
31 Correct 117 ms 356580 KB Output is correct
32 Correct 134 ms 363148 KB Output is correct
33 Correct 119 ms 359508 KB Output is correct
34 Correct 119 ms 362880 KB Output is correct
35 Correct 116 ms 361152 KB Output is correct
36 Correct 130 ms 361796 KB Output is correct
37 Correct 135 ms 363152 KB Output is correct
38 Correct 124 ms 362352 KB Output is correct
39 Correct 358 ms 441480 KB Output is correct
40 Correct 133 ms 362792 KB Output is correct
41 Correct 128 ms 366296 KB Output is correct
42 Correct 152 ms 367548 KB Output is correct
43 Correct 137 ms 366448 KB Output is correct
44 Correct 197 ms 385788 KB Output is correct
45 Correct 201 ms 386276 KB Output is correct
46 Correct 181 ms 386992 KB Output is correct
47 Correct 441 ms 450292 KB Output is correct
48 Correct 353 ms 433032 KB Output is correct
49 Correct 254 ms 448884 KB Output is correct
50 Correct 212 ms 432396 KB Output is correct
51 Correct 371 ms 439040 KB Output is correct
52 Correct 436 ms 450972 KB Output is correct
53 Correct 366 ms 444024 KB Output is correct
54 Correct 106 ms 353280 KB Output is correct
55 Correct 104 ms 353240 KB Output is correct
56 Correct 105 ms 353364 KB Output is correct
57 Correct 105 ms 353288 KB Output is correct
58 Correct 107 ms 353364 KB Output is correct
59 Correct 106 ms 353352 KB Output is correct
60 Correct 105 ms 353364 KB Output is correct
61 Correct 107 ms 353364 KB Output is correct
62 Correct 104 ms 353360 KB Output is correct
63 Correct 106 ms 353284 KB Output is correct
64 Correct 106 ms 353364 KB Output is correct
65 Correct 106 ms 353364 KB Output is correct
66 Correct 105 ms 353344 KB Output is correct
67 Correct 106 ms 353364 KB Output is correct
68 Correct 105 ms 353360 KB Output is correct
69 Correct 105 ms 353364 KB Output is correct
70 Incorrect 109 ms 353352 KB Output isn't correct
71 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 108 ms 353364 KB Output is correct
2 Correct 107 ms 353252 KB Output is correct
3 Correct 106 ms 353360 KB Output is correct
4 Correct 105 ms 353360 KB Output is correct
5 Correct 108 ms 353364 KB Output is correct
6 Correct 107 ms 353360 KB Output is correct
7 Correct 107 ms 353364 KB Output is correct
8 Correct 106 ms 353356 KB Output is correct
9 Correct 106 ms 353360 KB Output is correct
10 Correct 104 ms 353364 KB Output is correct
11 Correct 105 ms 353432 KB Output is correct
12 Correct 105 ms 353408 KB Output is correct
13 Correct 104 ms 353268 KB Output is correct
14 Correct 106 ms 353364 KB Output is correct
15 Correct 107 ms 353208 KB Output is correct
16 Correct 104 ms 353360 KB Output is correct
17 Correct 107 ms 353320 KB Output is correct
18 Correct 104 ms 353412 KB Output is correct
19 Correct 112 ms 356696 KB Output is correct
20 Correct 110 ms 355740 KB Output is correct
21 Correct 108 ms 354768 KB Output is correct
22 Correct 117 ms 357312 KB Output is correct
23 Correct 110 ms 355544 KB Output is correct
24 Correct 111 ms 357152 KB Output is correct
25 Correct 110 ms 356476 KB Output is correct
26 Correct 114 ms 356728 KB Output is correct
27 Correct 121 ms 357460 KB Output is correct
28 Correct 113 ms 356836 KB Output is correct
29 Correct 122 ms 361812 KB Output is correct
30 Correct 116 ms 356748 KB Output is correct
31 Correct 117 ms 356580 KB Output is correct
32 Correct 134 ms 363148 KB Output is correct
33 Correct 119 ms 359508 KB Output is correct
34 Correct 119 ms 362880 KB Output is correct
35 Correct 116 ms 361152 KB Output is correct
36 Correct 130 ms 361796 KB Output is correct
37 Correct 135 ms 363152 KB Output is correct
38 Correct 124 ms 362352 KB Output is correct
39 Correct 358 ms 441480 KB Output is correct
40 Correct 133 ms 362792 KB Output is correct
41 Correct 128 ms 366296 KB Output is correct
42 Correct 152 ms 367548 KB Output is correct
43 Correct 137 ms 366448 KB Output is correct
44 Correct 197 ms 385788 KB Output is correct
45 Correct 201 ms 386276 KB Output is correct
46 Correct 181 ms 386992 KB Output is correct
47 Correct 441 ms 450292 KB Output is correct
48 Correct 353 ms 433032 KB Output is correct
49 Correct 254 ms 448884 KB Output is correct
50 Correct 212 ms 432396 KB Output is correct
51 Correct 371 ms 439040 KB Output is correct
52 Correct 436 ms 450972 KB Output is correct
53 Correct 366 ms 444024 KB Output is correct
54 Correct 106 ms 353280 KB Output is correct
55 Correct 104 ms 353240 KB Output is correct
56 Correct 105 ms 353364 KB Output is correct
57 Correct 105 ms 353288 KB Output is correct
58 Correct 107 ms 353364 KB Output is correct
59 Correct 106 ms 353352 KB Output is correct
60 Correct 105 ms 353364 KB Output is correct
61 Correct 107 ms 353364 KB Output is correct
62 Correct 104 ms 353360 KB Output is correct
63 Correct 106 ms 353284 KB Output is correct
64 Correct 106 ms 353364 KB Output is correct
65 Correct 106 ms 353364 KB Output is correct
66 Correct 105 ms 353344 KB Output is correct
67 Correct 106 ms 353364 KB Output is correct
68 Correct 105 ms 353360 KB Output is correct
69 Correct 105 ms 353364 KB Output is correct
70 Incorrect 109 ms 353352 KB Output isn't correct
71 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 108 ms 353364 KB Output is correct
2 Correct 107 ms 353252 KB Output is correct
3 Correct 106 ms 353360 KB Output is correct
4 Correct 105 ms 353360 KB Output is correct
5 Correct 108 ms 353364 KB Output is correct
6 Correct 107 ms 353360 KB Output is correct
7 Correct 107 ms 353364 KB Output is correct
8 Correct 106 ms 353356 KB Output is correct
9 Correct 106 ms 353360 KB Output is correct
10 Correct 104 ms 353364 KB Output is correct
11 Correct 105 ms 353432 KB Output is correct
12 Correct 105 ms 353408 KB Output is correct
13 Correct 104 ms 353268 KB Output is correct
14 Correct 106 ms 353364 KB Output is correct
15 Correct 107 ms 353208 KB Output is correct
16 Correct 104 ms 353360 KB Output is correct
17 Correct 107 ms 353320 KB Output is correct
18 Correct 104 ms 353412 KB Output is correct
19 Correct 112 ms 356696 KB Output is correct
20 Correct 110 ms 355740 KB Output is correct
21 Correct 108 ms 354768 KB Output is correct
22 Correct 117 ms 357312 KB Output is correct
23 Correct 110 ms 355544 KB Output is correct
24 Correct 111 ms 357152 KB Output is correct
25 Correct 110 ms 356476 KB Output is correct
26 Correct 114 ms 356728 KB Output is correct
27 Correct 121 ms 357460 KB Output is correct
28 Correct 113 ms 356836 KB Output is correct
29 Correct 122 ms 361812 KB Output is correct
30 Correct 116 ms 356748 KB Output is correct
31 Correct 117 ms 356580 KB Output is correct
32 Correct 134 ms 363148 KB Output is correct
33 Correct 119 ms 359508 KB Output is correct
34 Correct 119 ms 362880 KB Output is correct
35 Correct 116 ms 361152 KB Output is correct
36 Correct 130 ms 361796 KB Output is correct
37 Correct 135 ms 363152 KB Output is correct
38 Correct 124 ms 362352 KB Output is correct
39 Correct 358 ms 441480 KB Output is correct
40 Correct 133 ms 362792 KB Output is correct
41 Correct 128 ms 366296 KB Output is correct
42 Correct 152 ms 367548 KB Output is correct
43 Correct 137 ms 366448 KB Output is correct
44 Correct 197 ms 385788 KB Output is correct
45 Correct 201 ms 386276 KB Output is correct
46 Correct 181 ms 386992 KB Output is correct
47 Correct 441 ms 450292 KB Output is correct
48 Correct 353 ms 433032 KB Output is correct
49 Correct 254 ms 448884 KB Output is correct
50 Correct 212 ms 432396 KB Output is correct
51 Correct 371 ms 439040 KB Output is correct
52 Correct 436 ms 450972 KB Output is correct
53 Correct 366 ms 444024 KB Output is correct
54 Correct 106 ms 353280 KB Output is correct
55 Correct 104 ms 353240 KB Output is correct
56 Correct 105 ms 353364 KB Output is correct
57 Correct 105 ms 353288 KB Output is correct
58 Correct 107 ms 353364 KB Output is correct
59 Correct 106 ms 353352 KB Output is correct
60 Correct 105 ms 353364 KB Output is correct
61 Correct 107 ms 353364 KB Output is correct
62 Correct 104 ms 353360 KB Output is correct
63 Correct 106 ms 353284 KB Output is correct
64 Correct 106 ms 353364 KB Output is correct
65 Correct 106 ms 353364 KB Output is correct
66 Correct 105 ms 353344 KB Output is correct
67 Correct 106 ms 353364 KB Output is correct
68 Correct 105 ms 353360 KB Output is correct
69 Correct 105 ms 353364 KB Output is correct
70 Incorrect 109 ms 353352 KB Output isn't correct
71 Halted 0 ms 0 KB -