oj.uz

Submission #555204

# Submission time Handle Problem Language Result Execution time Memory
555204 2022-04-30T09:33:46 Z 600Mihnea Sightseeing in Kyoto (JOI22_kyoto) C++17
0 / 100
 1 ms 340 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]);
    }
    for(int j=1;j<=m;j++){
      dp[j]=min(dp[j]+b[j],dp[j-1]+a[i]);
      difs[j-1]=dp[j]-dp[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
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 340 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 340 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 340 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -