#include <bits/stdc++.h> #define L(i, j, k) for(int i = (j); i <= (k); i++) #define R(i, j, k) for(int i = (j); i >= (k); i--) #define ll long long #define sz(a) ((int) a.size()) #define all(a) a.begin(), a.end() #define vi vector<int> #define pb emplace_back #define me(a, x) memset(a, x, sizeof(a)) #define fst first #define snd second #define ii pair<int, int> using namespace std; long long min_total_length(std::vector<int> r, std::vector<int> b) { int n=sz(r),m=sz(b); ll ans=0; L(i,0,min(m-1,n-1)){ ans+=b[i]-r[i]; } L(i,n,m-1){ ans+=b[i]-r[n-1]; } L(i,m,n-1){ ans+=r[i]-b[m-1]; } return ans; } int main() { int n, m; assert(2 == scanf("%d %d", &n, &m)); vector<int> r(n), b(m); for(int i = 0; i < n; i++) assert(1 == scanf("%d", &r[i])); for(int i = 0; i < m; i++) assert(1 == scanf("%d", &b[i])); long long res = min_total_length(r, b); printf("%lld\n", res); return 0; }

/usr/bin/ld: /tmp/ccgxcgSO.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccCCTzIW.o:wiring.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status