oj.uz

Submission #772510

# Submission time Handle Problem Language Result Execution time Memory
772510 2023-07-04T07:40:46 Z Sam_a17 Furniture (JOI20_furniture) C++17
5 / 100
 5000 ms 1132 KB 
#define _CRT_SECURE_NO_WARNINGS
#include <bits/stdc++.h>
//#include "temp.cpp"
#include <cstdio>
using namespace std;
 
#ifndef ONLINE_JUDGE
#define dbg(x) cerr << #x <<" "; print(x); cerr << endl;
#else
#define dbg(x)
#endif
 
#define sz(x) (int)x.size()
#define len(x) (int)x.length()
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define clr(x) (x).clear()
#define uniq(x) x.resize(unique(all(x)) - x.begin());
#define blt __builtin_popcount
 
#define pb push_back
#define popf pop_front
#define popb pop_back
#define ld long double
#define ll long long
 
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;}
 
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
#define nl '\n'
 
// Indexed Set  
template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
 
template <class T, class V> void print(pair <T, V> p);
template <class T> void print(vector <T> v);
template <class T> void print(set <T> v);
template <class T, class V> void print(map <T, V> v);
template <class T> void print(multiset <T> v);
template <class T, class V> void print(T v[],V n) {cerr << "["; for(int i = 0; i < n; i++) {print(v[i]); cerr << " "; } cerr << "]";}
template <class T, class V> void print(pair <T, V> p) {cerr << "{"; print(p.first); cerr << ","; print(p.second); cerr << "}";}
template <class T> void print(vector <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
// template <class T> void print(vector <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(set <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(multiset <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(Tree <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T, class V> void print(map <T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(deque <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
 
 
// for random generations
mt19937 myrand(chrono::steady_clock::now().time_since_epoch().count());
// mt19937 myrand(131);
 
// for grid problems
int dx[8] = {-1,0,1,0,1,-1,1,-1};
int dy[8] = {0,1,0,-1,1,1,-1,-1};
 
// lowest / (1 << 17) >= 1e5 / (1 << 18) >= 2e5 / (1 << 21) >= 1e6
void fastIO() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr); cout.tie(nullptr);
}
// file in/out
void setIO(string str = "") {
  fastIO();
 
  // if(str == "input") {
    // freopen("input.txt", "r", stdin);
    // freopen("output.txt", "w", stdout);
  // } else if(str != "") {
    // freopen((str + ".in").c_str(), "r", stdin);
    // freopen((str + ".out").c_str(), "w", stdout);
  // }
}

const int N = 1005;
int a[N][N];
int dp[N][N];
int n, m;

bool check() {

  for(int i = 1; i <= n; i++) {
    for(int j = 1; j <= m; j++) {
      dp[i][j] = 0;
    }
  }
  
  dp[1][1] = 1;
  for(int i = 1; i <= n; i++) {
    for(int j = 1; j <= m; j++) {
      if(i == 1 && j == 1) continue;
      if(a[i][j] == 1) continue;
      dp[i][j] = dp[i - 1][j] | dp[i][j - 1];
    }
  }

  return dp[n][m];
}

void solve_() {
  cin >> n >> m;

  for(int i = 1; i <= n; i++) {
    for(int j = 1; j <= m; j++) {
      cin >> a[i][j];
    }
  }

  int q; cin >> q;
  while(q--) {
    int x, y; cin >> x >> y;

    a[x][y] = 1;
    if(!check()) {
      a[x][y] = 0;
    }

    cout << a[x][y] << '\n';
  }
}
 
int main() {
  setIO();
 
  auto solve = [&](int test_case)-> void {
    for(int i = 1; i <= test_case; i++) {
      solve_();
    }
  };
 
  int test_cases = 1;
  // cin >> test_cases;
  solve(test_cases);
 
  return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 852 KB Output is correct
2 Correct 37 ms 1128 KB Output is correct
3 Correct 95 ms 1040 KB Output is correct
4 Correct 212 ms 1076 KB Output is correct
5 Correct 238 ms 1132 KB Output is correct
6 Correct 326 ms 1128 KB Output is correct
7 Correct 231 ms 1124 KB Output is correct
8 Correct 280 ms 1124 KB Output is correct
9 Correct 192 ms 1128 KB Output is correct

Subtask #2
0.0 / 95.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 852 KB Output is correct
2 Correct 37 ms 1128 KB Output is correct
3 Correct 95 ms 1040 KB Output is correct
4 Correct 212 ms 1076 KB Output is correct
5 Correct 238 ms 1132 KB Output is correct
6 Correct 326 ms 1128 KB Output is correct
7 Correct 231 ms 1124 KB Output is correct
8 Correct 280 ms 1124 KB Output is correct
9 Correct 192 ms 1128 KB Output is correct
10 Execution timed out 5024 ms 844 KB Time limit exceeded
11 Halted 0 ms 0 KB -