Submission #420042

#	Time	Username	Problem	Language	Result	Execution time	Memory
420042		chirathnirodha	Wiring (IOI17_wiring)	C++17	20 / 100	32 ms	3116 KiB

wiring

#include "wiring.h"
#include<bits/stdc++.h>
using namespace std;
 
int dp[500][500];
long long min_total_length(vector<int> r, vector<int> b) {
  	int n=r.size(),m=b.size();
    if(n<=200 && m<=200){
      dp[0][0]=abs(r[0]-b[0]);
      for(int i=1;i<m;i++)dp[0][i]=dp[0][i-1]+abs(r[0]-b[i]);
      for(int i=1;i<n;i++)dp[i][0]=dp[i-1][0]+abs(r[i]-b[0]);
      for(int i=1;i<n;i++) for(int j=1;j<m;j++) dp[i][j]=min(min(dp[i][j-1],dp[i-1][j]),dp[i-1][j-1])+abs(r[i]-b[j]);
      return dp[n-1][m-1];
    }
    else{
      int jj=0;
      int ii=0;
      long long sum=0;
      for(ii;ii<n && jj<m;ii++,jj++){
          sum+=b[jj]-r[ii];
      }
      for(ii;ii<n;ii++)sum+=b[0]-r[ii];
      for(jj;jj<m;jj++)sum+=b[jj]-r[n-1];
      return sum;
    }
}

Compilation message (stderr)

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:19:11: warning: statement has no effect [-Wunused-value]
   19 |       for(ii;ii<n && jj<m;ii++,jj++){
      |           ^~
wiring.cpp:22:11: warning: statement has no effect [-Wunused-value]
   22 |       for(ii;ii<n;ii++)sum+=b[0]-r[ii];
      |           ^~
wiring.cpp:23:11: warning: statement has no effect [-Wunused-value]
   23 |       for(jj;jj<m;jj++)sum+=b[jj]-r[n-1];
      |           ^~

• Subtask 1: 7 / 7
• Subtask 2: 13 / 13
• Subtask 3: 0 / 10
• Subtask 4: 0 / 25
• Subtask 5: 0 / 45