Submission #301921

#	Time	Username	Problem	Language	Result	Execution time	Memory
301921		chirathnirodha	Wiring (IOI17_wiring)	C++17	13 / 100	41 ms	3192 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();
    /*
    //Subtask 1
    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]);
    */
    //Subtask 2
    int j=0;
    int i=0;
    long long sum=0;
    for(i;i<n && j<m;i++,j++){
        sum+=b[j]-r[i];
    }
    for(i;i<n;i++)sum+=b[0]-r[i];
    for(j;j<m;j++)sum+=b[j]-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:19:9: warning: statement has no effect [-Wunused-value]
   19 |     for(i;i<n && j<m;i++,j++){
      |         ^
wiring.cpp:22:9: warning: statement has no effect [-Wunused-value]
   22 |     for(i;i<n;i++)sum+=b[0]-r[i];
      |         ^
wiring.cpp:23:9: warning: statement has no effect [-Wunused-value]
   23 |     for(j;j<m;j++)sum+=b[j]-r[n-1];
      |         ^

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