oj.uz

Submission #556250

# Submission time Handle Problem Language Result Execution time Memory
556250 2022-05-02T16:08:46 Z 600Mihnea Reconstruction Project (JOI22_reconstruction) C++17
7 / 100
 5000 ms 4748 KB 
#include <bits/stdc++.h>

bool home = 1;

using namespace std;

typedef long long ll;

int wglob;

struct Edge{
  int a;
  int b;
  int w;
};

bool operator < (Edge a,Edge b) {
  return abs(wglob-a.w)<abs(wglob-b.w);
}

const int N=500+7;
const int M=100000+7;
const int Q=1000000+7;
int n;
int m;
int q;
int t[N];
Edge edges[M];

int root(int a) {
  if (t[a]==a) return a;
  return t[a]=root(t[a]);
}

void join(int a,int b) {
  t[root(a)]=root(b);
}

signed main() {
#ifdef ONLINE_JUDGE
  home = 0;
#endif

  home=0;

  if (home) {
    freopen("I_am_iron_man", "r", stdin);
  }
  else {
    ios::sync_with_stdio(0); cin.tie(0);
  }

  cin>>n>>m;
  for (int i=1;i<=m;i++) {
    cin>>edges[i].a>>edges[i].b>>edges[i].w;
  }
  cin>>q;

  for (int iq=1;iq<=q;iq++) {
    int w;
    cin>>w;
    wglob=w;
    sort(edges+1,edges+m+1);
    for (int i=1;i<=n;i++) t[i]=i;
    ll sol=0;
    for (int i=1;i<=m;i++) {
      int a=edges[i].a;
      int b=edges[i].b;
      int cost=abs(wglob-edges[i].w);
      if (root(a)!=root(b)) {
        join(a,b);
        sol+=cost;
      }
    }
    cout<<sol<<"\n";
  }
}

Compilation message

reconstruction.cpp: In function 'int main()':
reconstruction.cpp:47:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   47 |     freopen("I_am_iron_man", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 328 KB Output is correct
20 Correct 75 ms 3092 KB Output is correct
21 Correct 75 ms 1468 KB Output is correct
22 Correct 77 ms 1396 KB Output is correct
23 Correct 76 ms 1488 KB Output is correct
24 Correct 88 ms 1480 KB Output is correct
25 Correct 78 ms 1488 KB Output is correct
26 Correct 83 ms 3184 KB Output is correct
27 Correct 77 ms 2976 KB Output is correct
28 Correct 52 ms 2996 KB Output is correct
29 Correct 52 ms 3072 KB Output is correct
30 Correct 74 ms 3164 KB Output is correct
31 Correct 81 ms 3036 KB Output is correct
32 Correct 75 ms 3060 KB Output is correct
33 Correct 71 ms 1388 KB Output is correct
34 Correct 53 ms 3196 KB Output is correct
35 Correct 59 ms 3172 KB Output is correct

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Execution timed out 5051 ms 3368 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #4
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Execution timed out 5044 ms 4748 KB Time limit exceeded
21 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 328 KB Output is correct
20 Correct 75 ms 3092 KB Output is correct
21 Correct 75 ms 1468 KB Output is correct
22 Correct 77 ms 1396 KB Output is correct
23 Correct 76 ms 1488 KB Output is correct
24 Correct 88 ms 1480 KB Output is correct
25 Correct 78 ms 1488 KB Output is correct
26 Correct 83 ms 3184 KB Output is correct
27 Correct 77 ms 2976 KB Output is correct
28 Correct 52 ms 2996 KB Output is correct
29 Correct 52 ms 3072 KB Output is correct
30 Correct 74 ms 3164 KB Output is correct
31 Correct 81 ms 3036 KB Output is correct
32 Correct 75 ms 3060 KB Output is correct
33 Correct 71 ms 1388 KB Output is correct
34 Correct 53 ms 3196 KB Output is correct
35 Correct 59 ms 3172 KB Output is correct
36 Execution timed out 5003 ms 3396 KB Time limit exceeded
37 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 328 KB Output is correct
20 Correct 75 ms 3092 KB Output is correct
21 Correct 75 ms 1468 KB Output is correct
22 Correct 77 ms 1396 KB Output is correct
23 Correct 76 ms 1488 KB Output is correct
24 Correct 88 ms 1480 KB Output is correct
25 Correct 78 ms 1488 KB Output is correct
26 Correct 83 ms 3184 KB Output is correct
27 Correct 77 ms 2976 KB Output is correct
28 Correct 52 ms 2996 KB Output is correct
29 Correct 52 ms 3072 KB Output is correct
30 Correct 74 ms 3164 KB Output is correct
31 Correct 81 ms 3036 KB Output is correct
32 Correct 75 ms 3060 KB Output is correct
33 Correct 71 ms 1388 KB Output is correct
34 Correct 53 ms 3196 KB Output is correct
35 Correct 59 ms 3172 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Execution timed out 5051 ms 3368 KB Time limit exceeded
40 Halted 0 ms 0 KB -