oj.uz

Submission #775306

# Submission time Handle Problem Language Result Execution time Memory
775306 2023-07-06T09:33:30 Z Sam_a17 Land of the Rainbow Gold (APIO17_rainbow) C++17
23 / 100
 316 ms 1048576 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 = 505, maxN = 2e5 + 10;
vector<vector<int>> color;
int n, m;

int d1[maxN], d2[maxN];
int d[maxN];

void init(int R, int C, int sr, int sc, int M, char *S) {
  n = R, m = C;
  color.resize(n + 5);
  for(int i = 1; i <= n; i++) {
    color[i].resize(m + 5);
  }

  color[sr][sc] = 1;
	for (int i = 0; i < M; i++)
	{
		if (S[i] == 'W')
		{
			sc--;
		}
		if (S[i] == 'S')
		{
			sr++;
		}
		if (S[i] == 'E')
		{
			sc++;
		}
		if (S[i] == 'N')
		{
			sr--;
		}
		color[sr][sc] = 1;
	}

  
  if(n == 2) {
    color[1][0] = 1;
    color[2][0] = 1;
    for(int i = 1; i <= m; i++) {
      d1[i] = d1[i - 1];
      if(!color[1][i] && color[1][i + 1]) {
        d1[i]++;
      }
      
      d2[i] = d2[i - 1];
      if(!color[2][i] && color[2][i + 1]) {
        d2[i]++;
      }
    }

    for(int i = 1; i <= m; i++) {
      d[i] = d[i - 1];

      if(color[1][i] && color[2][i]) {
        if(!color[1][i - 1] && !color[2][i - 1]) {
          d[i - 1]++;
          d[i]++;
        }
      } else if(color[1][i] && color[2][i + 1]) {
        d[i] += 1;
      } else if(color[2][i] && color[1][i + 1]) {
        d[i] += 1;
      }
    }
  }

}
int st[N][N];
 
int colour(int ar, int ac, int br, int bc) {
  if(n <= 50 && m <= 50) {
    queue<pair<int, int>> q;
    for (int i = ar; i <= br; i++)
    {
      for (int j = ac; j <= bc; j++)
      {
        st[i][j] = 0;
      }
    }
    int qan = 0;
    for (int i = ar; i <= br; i++)
    {
      for (int j = ac; j <= bc; j++)
      {
        if (st[i][j] == 0 && color[i][j] == 0)
        {
          qan++;
          int qq = 0;
          q.push({ i, j });
          st[i][j] = true;
          while (!q.empty())
          {
            qq++;
            int x = q.front().first, y = q.front().second;
            q.pop();
            if (x + 1 <= br && color[x + 1][y] == 0 && st[x + 1][y] == 0)
            {
              st[x + 1][y] = true;
              q.push({ x + 1, y });
            }
            if (x - 1 >= ar && color[x - 1][y] == 0 && st[x - 1][y] == 0)
            {
              st[x - 1][y] = true;
              q.push({ x - 1, y });
            }
            if (y + 1 <= bc && color[x][y + 1] == 0 && st[x][y + 1] == 0)
            {
              st[x][y + 1] = true;
              q.push({ x, y + 1 });
            }
            if (y - 1 >= ac && color[x][y - 1] == 0 && st[x][y - 1] == 0)
            {
              st[x][y - 1] = true;
              q.push({ x, y - 1 });
            }
          }
        }
      }
    }
    return qan;

  }
  else if(n == 2) {
    if(ar == br) {
      if(ar == 1) {
        int answ = d1[bc] - d1[ac - 1];
        if(!color[1][bc] && !color[1][bc + 1]) {
          answ++;
        }
        return answ;
      } else {
        int answ = d2[bc] - d2[ac - 1];
        if(!color[2][bc] && !color[2][bc + 1]) {
          answ++;
        }
        return answ;
      }
    } else {
      int answ = d[bc] - d[ac - 1];
      if(color[1][bc] == 0 && color[2][bc] == 0) {
        if(!color[1][bc + 1] || !color[2][bc + 1]) {
          answ++;
        }
      } else if(!color[1][bc]) {
        if(!color[1][bc + 1]) {
          answ++;
        }
      } else if(!color[2][bc]) {
        if(!color[2][bc + 1]) {
          answ++;
        }
      }

      return answ;
    }
  }

  return 0;
}


// const int N = 105, inf = 1e9;
// vector<pair<int, int>> adj[N], out[N];
// int mat[N][N];
// int b[N][N], s[N][N];
// long long dp[N][N][N];
// bool vis[N][N][N];
// int n, m, k;
// int st;


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

//   bool flag = 1;
//   for(int i = 1; i <= n; i++) {
//     for(int j = 1; j <= k; j++) {
//       cin >> b[i][j] >> s[i][k];
//     }
//   }

//   for(int i = 1; i <= m; i++) {
//     int u, v, k; cin >> u >> v >> k;
//     if(k != 1) flag = 0;
//     adj[u].emplace_back(v, k);
//     out[v].emplace_back(u, k);
//   }


//   if(flag) {
//     for(int st = 1; st <= n; st++) {
//       memset(dp, sizeof(dp), 0);


//       priority_queue<pair<long long, pair< pair<int, int >, int > > > q;
//       dp[st][0][0] = 0;
//       q.push({0, {{st, 0}, 0}});

//       while(!q.empty()) {
//         auto u = q.top();
//         q.pop();

//         int node = u.second.first.first, item = u.second.first.second, dist = u.second.second;
//         if(vis[node][item][dist]) {
//           continue;
//         }
//         vis[node][item][dist] = true;


//         if(item) {
//           if(s[node][item] != -1) {
//             if(dp[node][item][dist] - s[node][item] > dp[node][0][dist]) {
//               dp[node][0][dist] = dp[node][item][dist] - s[node][item];
//               q.push({node, 0, dist});
//             }
//           }
//         } else {

//         }

//         for(auto i: adj[node]) {

//         }
//       }
      
//     }
//   }
// }
 
// 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;
// }

Compilation message

rainbow.cpp: In function 'void setIO(std::string)':
rainbow.cpp:76:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   76 |     freopen("input.txt", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
rainbow.cpp:77:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   77 |     freopen("output.txt", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
rainbow.cpp:79:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   79 |     freopen((str + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
rainbow.cpp:80:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   80 |     freopen((str + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 6 ms 340 KB Output is correct
3 Correct 13 ms 428 KB Output is correct
4 Correct 11 ms 436 KB Output is correct
5 Correct 4 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 10 ms 432 KB Output is correct
12 Correct 8 ms 444 KB Output is correct
13 Correct 7 ms 432 KB Output is correct
14 Correct 6 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 51 ms 4992 KB Output is correct
4 Correct 50 ms 4896 KB Output is correct
5 Correct 49 ms 5008 KB Output is correct
6 Correct 69 ms 5016 KB Output is correct
7 Correct 62 ms 4940 KB Output is correct
8 Correct 45 ms 7876 KB Output is correct
9 Correct 52 ms 7940 KB Output is correct
10 Correct 52 ms 7892 KB Output is correct
11 Correct 52 ms 7812 KB Output is correct
12 Correct 54 ms 7760 KB Output is correct
13 Correct 44 ms 7800 KB Output is correct
14 Correct 64 ms 7780 KB Output is correct
15 Correct 49 ms 7840 KB Output is correct
16 Correct 46 ms 7756 KB Output is correct

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Runtime error 316 ms 1048576 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #4
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 6 ms 340 KB Output is correct
3 Correct 13 ms 428 KB Output is correct
4 Correct 11 ms 436 KB Output is correct
5 Correct 4 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 10 ms 432 KB Output is correct
12 Correct 8 ms 444 KB Output is correct
13 Correct 7 ms 432 KB Output is correct
14 Correct 6 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Incorrect 46 ms 5088 KB Output isn't correct
19 Halted 0 ms 0 KB -

Subtask #5
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 6 ms 340 KB Output is correct
3 Correct 13 ms 428 KB Output is correct
4 Correct 11 ms 436 KB Output is correct
5 Correct 4 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 10 ms 432 KB Output is correct
12 Correct 8 ms 444 KB Output is correct
13 Correct 7 ms 432 KB Output is correct
14 Correct 6 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Incorrect 46 ms 5088 KB Output isn't correct
19 Halted 0 ms 0 KB -