Submission #972536

#	Time	Username	Problem	Language	Result	Execution time	Memory
972536		akacool445k	Rainforest Jumps (APIO21_jumps)	C++14	Compilation error	0 ms	0 KiB

jumps

#include <bits/stdc++.h>
// #include "jumps.h"
using namespace std;
// #define int long long
#define ll long long
#define ff first
#define ss second
#define pint pair < int , int >
#define fast ios_base::sync_with_stdio(NULL); cin.tie(NULL)
typedef vector < int > vint;

const int inf = 1e9 + 9;
const int mxn = 2e5 + 2;
const int mod = 1e9 + 7;
int n;
int h[mxn] , le[mxn] , ri[mxn];
int inv[mxn];
int spx[19][mxn] , spn[19][mxn];
int s[3 * mxn];
void build(int id, int L, int R) {
	if(L == R) {
		s[id] = h[L];
		return;
	}
	int x = 2 * id + 1, y = x + 1, M = (L + R) / 2;
	build(x, L, M);
	build(y, M + 1, R);
	s[id] = max(s[x], s[y]);
}
pair<int, int> query(int id, int L, int R, int l, int r, int d) {
	if(L == R) {
		if(s[id] > d) return {-1, 0};
		return {s[id], 1};
	}
	int x = 2 * id + 1, y = x + 1, M = (L + R) / 2;
	if(L == l && R == r) {
		if(s[id] < d) return {s[id], 1};
		pint pr = query(x, L, M, l, r, d);
		if(pr.ss == 0) return pr;
		pint pl = query(y, M + 1, R, l, r, d);
		return {max(pl.ff, pr.ff), 0};
	}
	if(r <= M) return query(x, L, M, l, r, d);
	if(M + 1 <= l) return query(y, M + 1, R, l, r, d);
	pint pr = query(x, M + 1, R, l, r, d);
	if(pr.ss == 0) return pr;
	pint pl = query(y, L, M, l, r, d);
	return {max(pl.ff, pr.ff), pl.ss};

}
int main() {
    int t, n;
    cin >> t >> n;
    for(int i = 0; i < n; i++) cin >> h[i];
    build(0, 0, n - 1);
    while(t--) {
        int r, l, p;
        cin >> l >> r >> p;
        cout << query(0, 0, n - 1, l, r, p).ff << '\n';
    }
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cc2sPI1c.o: in function `main':
stub.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc9aBjia.o:jumps.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cc2sPI1c.o: in function `main':
stub.cpp:(.text.startup+0x177): undefined reference to `init(int, std::vector<int, std::allocator<int> >)'
/usr/bin/ld: stub.cpp:(.text.startup+0x1d1): undefined reference to `minimum_jumps(int, int, int, int)'
collect2: error: ld returned 1 exit status