Submission #1144891

#	Time	Username	Problem	Language	Result	Execution time	Memory
1144891		mingga	비밀 (JOI14_secret)	C++20	Compilation error	0 ms	0 KiB

secret

#include "bits/stdc++.h"
#include "secret.h"

using namespace std;

#define ln "\n"
#define pb push_back
#define fi first
#define se second
#define all(x) (x).begin(), (x).end()
#define sz(x) ((int)(x).size())
#define int long long
const int mod = 1e9 + 7;
const int inf = 2e18;
const int N = 1005;
int n, a[N], f[N][N];

void calc(int l, int r) {
	if(l >= r) return;
	int m = (l + r) >> 1;
	calc(l, m); calc(m + 1, r);
	f[m][m] = a[m];
	for(int i = m - 1; i >= l; i--) f[i][m] = Secret(f[i + 1][m], a[i]);
	f[m + 1][m + 1] = a[m + 1];
	for(int i = m + 2; i <= r; i++) f[m + 1][i] = Secret(f[m + 1][i - 1], a[i]);
}

void Init(int len, int arr[]) {
	n = len;
	for(int i = 1; i <= n; i++) a[i] = arr[i];
	for(int i = 1; i <= n; i++) {
		for(int j = i + 1; j <= n; j++) {
			f[i][j] = f[j][i] = -1;
		}
	}
	calc(1, n);
}

int Query(int l, int r) {
	if(l == r) return a[l];
	for(int i = l; i <= r; i++) {
		if(f[l][i] == -1) {
			return Secret(f[l][i - 1], f[i][r]);
		}
	}
}

Compilation message (stderr)

secret.cpp: In function 'long long int Query(long long int, long long int)':
secret.cpp:46:1: warning: control reaches end of non-void function [-Wreturn-type]
   46 | }
      | ^
/usr/bin/ld: /tmp/ccJrLZfc.o: in function `main':
grader.cpp:(.text.startup+0x2bb): undefined reference to `Init(int, int*)'
/usr/bin/ld: grader.cpp:(.text.startup+0x30b): undefined reference to `Query(int, int)'
collect2: error: ld returned 1 exit status