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Submission #1083154

# Submission time Handle Problem Language Result Execution time Memory
1083154 2024-09-02T16:55:09 Z Math4Life2020 Ancient Books (IOI17_books) C++17
Compilation error
 0 ms 0 KB 
#include <bits/stdc++.h>
using namespace std;

using ll = long long; using pii = pair<ll,ll>;

ll minimum_walk(int p[], int s) {
	ll N = sizeof(p);
	assert(s==0);
	ll ans = 0;
	bool found[N];
	for (ll i=0;i<N;i++) {
		found[i]=0;
	}
	ll D = 0;
	for (ll i=0;i<N;i++) {
		if (!found[i]) {
			ll j = i;
			ll dmin = 1e8;
			do {
				found[j]=1;
				dmin = min(dmin,j);
				ans += abs(p[j]-j);
				j = p[j];
			} while (j != i);
			D = max(D,dmin);
		}
	}
	ans -= 2*D;
	return ans;
}

Compilation message

books.cpp: In function 'll minimum_walk(int*, int)':
books.cpp:7:16: warning: 'sizeof' on array function parameter 'p' will return size of 'int*' [-Wsizeof-array-argument]
    7 |  ll N = sizeof(p);
      |               ~^~
books.cpp:6:21: note: declared here
    6 | ll minimum_walk(int p[], int s) {
      |                 ~~~~^~~
/usr/bin/ld: /tmp/cc3wACQt.o: in function `main':
grader.cpp:(.text.startup+0x266): undefined reference to `minimum_walk(std::vector<int, std::allocator<int> >, int)'
collect2: error: ld returned 1 exit status