Submission #296787

#	Time	Username	Problem	Language	Result	Execution time	Memory
296787		DanerZein	Wiring (IOI17_wiring)	C++14	20 / 100	35 ms	3960 KiB

wiring

#include "wiring.h"
#include <bits/stdc++.h>
#define MAX 1000000000000000000
using namespace std;
typedef long long ll;
ll dp[210][210];
long long min_total_length(std::vector<int> r, std::vector<int> b) {
  int n,m;
  n=r.size();
  m=b.size();
  int j;
  if(n<=200 and m<=200){
  dp[0][0]=abs(r[0]-b[0]);
  for(int i=0;i<n;i++){
    if(i==0) j=1;
    else j=0;
    for(;j<m;j++){
      ll rp=MAX;
      if(i-1>=0 and j-1>=0){
	rp=min(rp,dp[i-1][j-1]);
      }
      if(i-1>=0){
	rp=min(rp,dp[i-1][j]);
      }
      if(j-1>=0){
	rp=min(rp,dp[i][j-1]);
      }
      dp[i][j]=rp+abs(r[i]-b[j]);
    }
  }
  return dp[n-1][m-1];
  }
  else{
    ll res=0;
    int l=0,ri=b.size()-1;
    while(true){
      res+=abs(r[l]-b[ri]);
      if(l==r.size()-1 and ri==0) break;
      if(l!=r.size()-1) l++;
      if(ri!=0) ri--;
    }
    /*if(n>m){
      int j=b.size()-1;
      for(int i=0;i<r.size();i++){
	if(j!=0) j--;
	res+=abs(r[i]-b[j]);
      }
    }
    else{
      int j=0;
      for(int i=b.size()-1;i>=0;i--){
	if(j!=r.size()-1) j++;
	res+=abs(b[i]-r[j]);
      }
    }*/
    return res;
  }
}

Compilation message (stderr)

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:38:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |       if(l==r.size()-1 and ri==0) break;
      |          ~^~~~~~~~~~~~
wiring.cpp:39:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |       if(l!=r.size()-1) l++;
      |          ~^~~~~~~~~~~~

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