Submission #772491

# Submission time Handle Problem Language Result Execution time Memory
772491 2023-07-04T07:26:02 Z Filya Furniture (JOI20_furniture) C++14
5 / 100
5000 ms 7316 KB
//♥God will make a way♥
 
//#include <bits/stdc++.h>
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <string>
#include <algorithm>
#include <cmath>
#include <cstring>
#include <cassert>
#include <set>
#include <map>
#include <unordered_map>
#include <vector>
#include <stack>
#include <queue>
#include <iomanip>
#include <bitset>
#include <stdio.h>
#include <climits>
#include <numeric>
using namespace std;
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//using namespace __gnu_pbds;
//template <typename T>
//using ordered_set = tree <T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
/////////////////////define/////////////////////
#define ci(x) if(x) cout << "YES" << '\n'; else cout << "NO" << '\n';
#define cii(x) if(check(x))
#define MOD 1000000007
#define MOD2 998244353
#define oo 1e9
#define ool 1e18L
#define pii pair<int, int>
#define pll pair<long long, long long>
#define mii map<int, int>
#define vi vector<int>
#define vpi vector<pair<int, int>>
#define vll vector <ll>
#define ff first
#define ss second
#define mp make_pair
#define ll long long
#define ld long double
#define pb push_back
#define eb emplace_back
#define pob pop_back
#define lb lower_bound
#define ub upper_bound
#define bs binary_search
#define sz(x) (int((x).size()))
#define all(x) (x).begin(), (x).end()
#define alll(x) (x), (x) + n
#define clr(x) (x).clear();
#define fri(x) for(int i = 0; i < x; ++i)
#define frj(x) for(int j = 0; j < x; ++j)
#define frp(x) for(int p = 0; p < x; ++p)
#define frr(a, b) for(int i = a; i < b; ++i)
#define frrj(a, b) for(int j = a; j < b; ++j)
#define fra(x) for(int i = 0; i < x; ++i) cin >> a[i];
#define frb(x) for(int i = 0; i < x; ++i) cin >> b[i];
#define frs(x) for(auto it = x.begin(); it != x.end(); ++it)
#define fr(x) for(auto it : x) //el
#define fastio ios_base::sync_with_stdio(false); cin.tie(0);
#define dbg(x) cerr << #x << ": " << x << endl;
#define ce(x) cout << x << endl;
#define uniq(x) x.resize(unique(all(x)) - x.begin()); //make all one after sorting
#define blt __builtin_popcount
/////////////////////print array, vector, deque, set, multiset, pair, map /////////////////////
void print(long long t) {cerr << t;}
void print(int t) {cerr << t;}
void print(string t) {cerr << t;}
void print(char t) {cerr << t;}
void print(double t) {cerr << t;}
void print(long double t) {cerr << t;}
void print(unsigned long long t) {cerr << t;}
template <class T, class V> void print(pair <T, V> p) {cerr << "{"; print(p.first); cerr << ","; print(p.second); cerr << "}";}
template <class T, class V> void print(T v[],V n) {cerr << "["; for(int i = 0; i < n; i++) {print(v[i]); cerr << " "; } cerr << "]"; cout << endl;}
template <class T> void print(vector <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(set <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(multiset <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(stack <T> v) {cerr << "[ "; stack<T> s = v; while(s.size()) {T i = s.top(); print(i); s.pop(); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(queue <T> v) {cerr << "[ "; queue<T> s = v; while(s.size()) {T i = s.front(); print(i); s.pop(); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(deque <T> v) {cerr << "[ "; deque<T> s = v; while(s.size()) {T i = s.front(); print(i); s.pop_front(); cerr << " ";} cerr << "]"; cout << endl;}
template <class T, class V> void print(map <T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
template <class T, class V> void print(unordered_map <T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
/////////////////////de/////////////////////
int a[1005][1005];
bool used[1005][1005];
int n, m;
void dfs(int x, int y) {
    used[x][y] = 1;
    if(x + 1 < n && !a[x+1][y] && !used[x+1][y]) dfs(x+1, y);
    if(y + 1 < m && !a[x][y+1] && !used[x][y+1]) dfs(x, y+1);
}
bool check() {
    fri(n) frj(m) used[i][j] = 0;
    dfs(0, 0);
    // fri(n) print(used[i], m);
    return (used[n-1][m-1]);
}
int main() {
    fastio;
    int x, y; cin >> n >> m;
    fri(n) frj(m) cin >> a[i][j];
    int q; cin >> q;
    fri(q) {
        cin >> x >> y; x--, y--;
        a[x][y] = 1;
        if(check()) {
            cout << 1 << '\n';
        } else {
            cout << 0 << '\n';
            a[x][y] = 0;
        }
    }
    return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 4 ms 596 KB Output is correct
2 Correct 7 ms 852 KB Output is correct
3 Correct 20 ms 820 KB Output is correct
4 Correct 33 ms 856 KB Output is correct
5 Correct 36 ms 896 KB Output is correct
6 Correct 57 ms 904 KB Output is correct
7 Correct 24 ms 852 KB Output is correct
8 Correct 28 ms 852 KB Output is correct
9 Correct 96 ms 912 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 596 KB Output is correct
2 Correct 7 ms 852 KB Output is correct
3 Correct 20 ms 820 KB Output is correct
4 Correct 33 ms 856 KB Output is correct
5 Correct 36 ms 896 KB Output is correct
6 Correct 57 ms 904 KB Output is correct
7 Correct 24 ms 852 KB Output is correct
8 Correct 28 ms 852 KB Output is correct
9 Correct 96 ms 912 KB Output is correct
10 Correct 1462 ms 892 KB Output is correct
11 Correct 33 ms 596 KB Output is correct
12 Execution timed out 5035 ms 7316 KB Time limit exceeded
13 Halted 0 ms 0 KB -