Submission #1131723

#	Time	Username	Problem	Language	Result	Execution time	Memory
1131723		Muhammet	Wall (IOI14_wall)	C++17	Compilation error	0 ms	0 KiB

wall

#include <bits/stdc++.h>	
using namespace std;

#define ff first
#define ss second
#define ll long long

const int N = 2e6+5;

int n, m, stmx[N*4], stmn[N*4], lzmn[N*4], lzmx[N*4];

void f(int nd, int l, int r) {
	if(l != r) {
		stmn[nd*2] = max(stmn[nd*2], stmn[nd]), stmx[nd*2] = max(stmx[nd*2], stmn[nd]),
		stmx[nd*2] = min(stmx[nd*2], stmx[nd]), stmn[nd*2] = min(stmn[nd*2], stmx[nd]);
		stmn[nd*2+1] = max(stmn[nd*2+1], stmn[nd]), stmx[nd*2+1] = max(stmx[nd*2+1], stmn[nd]),
		stmx[nd*2+1] = min(stmx[nd*2+1], stmx[nd]), stmn[nd*2+1] = min(stmn[nd*2+1], stmx[nd]);
	}
	return;
}

void upd(int nd, int l, int r, int x, int y, int h, int t) {
	f(nd, l, r);
	if(l > y or r < x) return;
	if(l >= x and r <= y) {
		if(t == 1) stmn[nd] = max(stmn[nd], h), stmx[nd] = max(stmx[nd], h);
		else stmx[nd] = min(stmx[nd], h), stmn[nd] = min(stmn[nd], h);
		f(nd, l, r);
		return;
	}
	int md = (l + r) / 2;
	upd(nd*2,l,md,x,y,h,t), upd(nd*2+1,md+1,r,x,y,h,t);
	stmn[nd] = min(stmn[nd*2], stmn[nd*2+1]);
	stmx[nd] = max(stmx[nd*2], stmx[nd*2+1]);
}

void fnd(int nd, int l, int r){
	f(nd, l, r);
	if(l == r) {
		cout << stmn[nd] << '\n';
		return;
	}
	int md = (l + r) / 2;
	fnd(nd*2,l,md), fnd(nd*2+1,md+1,r);
	return;
}

int main() {
	ios::sync_with_stdio(false); cin.tie(0);
	cin >> n >> m;
	while(m--) {
		int t, l, r, h;
		cin >> t >> l >> r >> h;
		upd(1,1,n,l+1,r+1,h,t);
	}
	fnd(1,1,n);
	return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccfyIhqA.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cczYhw8e.o:wall.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccfyIhqA.o: in function `main':
grader.cpp:(.text.startup+0x133): undefined reference to `buildWall(int, int, int*, int*, int*, int*, int*)'
collect2: error: ld returned 1 exit status