oj.uz

Submission #555205

# Submission time Handle Problem Language Result Execution time Memory
555205 2022-04-30T09:37:01 Z 600Mihnea Sightseeing in Kyoto (JOI22_kyoto) C++17
10 / 100
 2000 ms 4052 KB 
#include <bits/stdc++.h>

bool home = 1;

using namespace std;

typedef long long ll;
const int N=(int)1e5+7;
const ll INF=(ll)1e18+7;
int n;
int m;
ll a[N];
ll b[N];

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<=n;i++) cin>>a[i];
  for (int i=1;i<=m;i++) cin>>b[i];

  vector<ll> dp(m+1,INF);
  vector<ll> difs(m);

  for (int j=1;j<=m;j++){
    dp[j]=a[1]*(j-1);
  }
  difs[0]=-INF;
  for (int j=1;j<m;j++){
    difs[j]=a[1];
  }

  for (int i=2;i<=n;i++){
    for(int j=0;j<m;j++){
      assert(dp[j+1]-dp[j]==difs[j]);
    }
    ll s=0,s2=0;
    for(int j=1;j<=m;j++){
      s+=difs[j-1];
      dp[j]=min(s+INF+b[j],s2+INF+a[i]);
      difs[j-1]=dp[j]-dp[j-1];
      s2+=difs[j-1];
    }
  }
  cout<<dp[m]<<"\n";
}

Compilation message

kyoto.cpp: In function 'int main()':
kyoto.cpp:22:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |     freopen("I_am_iron_man", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 4 ms 340 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 4 ms 340 KB Output is correct
12 Correct 4 ms 340 KB Output is correct
13 Correct 5 ms 340 KB Output is correct
14 Correct 4 ms 340 KB Output is correct
15 Correct 4 ms 368 KB Output is correct
16 Correct 4 ms 340 KB Output is correct
17 Correct 4 ms 364 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 1777 ms 1076 KB Output is correct
5 Correct 36 ms 2380 KB Output is correct
6 Correct 4 ms 596 KB Output is correct
7 Execution timed out 2078 ms 4052 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 4 ms 340 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 4 ms 340 KB Output is correct
12 Correct 4 ms 340 KB Output is correct
13 Correct 5 ms 340 KB Output is correct
14 Correct 4 ms 340 KB Output is correct
15 Correct 4 ms 368 KB Output is correct
16 Correct 4 ms 340 KB Output is correct
17 Correct 4 ms 364 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 2 ms 340 KB Output is correct
32 Correct 1777 ms 1076 KB Output is correct
33 Correct 36 ms 2380 KB Output is correct
34 Correct 4 ms 596 KB Output is correct
35 Execution timed out 2078 ms 4052 KB Time limit exceeded
36 Halted 0 ms 0 KB -