Submission #95972

#	Time	Username	Problem	Language	Result	Execution time	Memory
95972		SuperJava	Pyramid Base (IOI08_pyramid_base)	C++17	15 / 100	15 ms	5240 KiB

pyramid_base

//fold
#ifndef KHALIL
#include <bits/stdc++.h>
#else
#include "header.h"
#endif
#define endl '\n'
#define mp make_pair
#define tostr(x) static_cast<ostringstream&>((ostringstream()<<dec<<x)).str()
#define rep(i,begin,end) for(auto i = begin;i < end;i++)
#define repr(i,begin,end) for(auto i = begin-1;i >= end;i--)
#define pb push_back
#define sz(a) ((int)(a).size())
#define fi first
#define se second
#define abs(a) ((a) < (0) ? (-1)*(a) : (a))
#define SQ(a) ((a)*(a))
#define eqd(a,b) (abs(a-b)<1e-9)
#define X real()
#define Y imag()
using namespace std;
typedef long long ll;
typedef long double ld;
template <typename t> t in(t q){cin >> q;return q;}
template <typename T> ostream& operator<<(ostream& os, const vector<T>& v){os << "[";for (int i = 0; i < sz(v); ++i) { os << v[i]; if (i != sz(v) - 1) os << ",";}os << "]";return os;}
template <typename T, typename S>ostream& operator<<(ostream& os, const map<T, S>& v){for (auto it : v)os << "(" << it.first << ":" << it.second << ")";return os;}
template <typename T, typename S>ostream& operator<<(ostream& os, const pair<T, S>& v){os << "(" << v.first << "," << v.second << ")";return os;}
const long double PI = acosl(-1);
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng64(chrono::steady_clock::now().time_since_epoch().count());
inline int rand(int l,int r){return uniform_int_distribution<int>(l, r)(rng);}
inline ll rand(ll l,ll r){return uniform_int_distribution<ll>(l, r)(rng64);}
//endfold
#define  N  (1005)
#define MOD (1000000000l + 7l)
#define OO (1050000000)
#define OOL (1100000000000000000)

//global
int n,m;
bool a[N][N];
int p[N][N];

bool test(int s){
	for(int i = 1;i <= m-s+1;i++){
		for(int j = 1;j <= n-s+1;j++){
			if(p[i+s-1][j+s-1]-p[i-1][j+s-1]-p[i+s-1][j-1]+p[i-1][j-1] == 0) return true;
		}
	}	
	return false;
}

int main(){
	//fold
	ios::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	cout << setprecision(10);
	//endfold
	cin >> m >> n;
	int b; cin >> b;
	int q;
	cin >> q;
	while(q--){
		int x1,y1,x2,y2,c;
		cin >> x1 >> y1 >> x2 >> y2 >> c;
		if(x1 > x2) swap(x1,x2);
		if(y1 > y2) swap(y1,y2);
		rep(i,x1,x2+1){
			rep(j,y1,y2+1){
				a[i][j] = true;
			}
		}
	}
	rep(j,1,n+1){
		rep(i,1,m+1){
			p[i][j] = p[i-1][j]+p[i][j-1]-p[i-1][j-1]+a[i][j];
		}
	}
//	repr(i,10,1){
//		rep(j,1,7){
//			cout << p[j][i] << " ";
//		}cout << endl;
//	}
//	cout << endl;
	int l = 1,r = 1000,best = 0;
	while(l <= r){
		int mid = (l+r)/2;
		if(test(mid)){
			best = mid;
			l = mid+1;
		}else{
			r = mid-1;
		}
	}
	cout << best;
	return 0;
}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 0 / 5
• Subtask 5: 0 / 5
• Subtask 6: 0 / 5
• Subtask 7: 0 / 5
• Subtask 8: 0 / 7
• Subtask 9: 0 / 7
• Subtask 10: 0 / 7
• Subtask 11: 0 / 7
• Subtask 12: 0 / 7
• Subtask 13: 0 / 10
• Subtask 14: 0 / 10
• Subtask 15: 0 / 10