books.cpp:1:18: warning: extra tokens at end of #include directive
1 | #include <cstdio>#include <vector>#include <bits/stdc++.h>using namespace std; long long minimum_walk(vector<int> p, int s) { bool done[1100100]; int N = p.size(); int un = N; int soom = 0; int i = 0; /*while(un != 0){ if(start ) }*/ int fre = 0; for(int i = 0; i < N; i++){ if(done[i]) continue; if(i > fre){ soom += 2; } fre = max(fre,i); int j = p[i]; soom += abs(j - i); while(j != i){ int temp = j; fre = max(fre,j); done[j] = true; j = p[j]; soom += abs(temp - j); } } for(int i = N - 1; i > 0; i--){ if(p[i] != i){ break; } soom -= 2; } return soom;}
| ^
/usr/bin/ld: /tmp/ccb4uEW0.o: in function `main':
grader.cpp:(.text.startup+0x26b): undefined reference to `minimum_walk(std::vector<int, std::allocator<int> >, int)'
collect2: error: ld returned 1 exit status