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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define int              long long int
  4. #define double           long double
  5. #define print(a)         for(auto x : a) cout << x << " "; cout << endl
  6.  
  7. const int M = 1000000007;;
  8. const int N = 3e5+9;
  9. const int INF = 2e9+1;
  10. const int LINF = 2000000000000000001;
  11.  
  12. inline int power(int a, int b, int mod=M) {
  13.     int x = 1;
  14.     a %= mod;
  15.     while (b) {
  16.         if (b & 1) x = (x * a) % mod; 
  17.         a = (a * a) % mod;
  18.         b >>= 1;
  19.     }
  20.     return x;
  21. }
  22.  
  23.  
  24.  
  25. //_ ***************************** START Below *******************************
  26.  
  27.  
  28.  
  29. int nCr(int n, int r){
  30.     if(r<0 || r>n) return 0;
  31.     if(r > n-r) r = n-r;
  32.  
  33.     int res = 1;
  34.     for(int k=1; k<=r; k++){
  35.         res *= (n-k+1);
  36.         res /= k;
  37.     }
  38.  
  39.     return res;
  40.  
  41. }
  42.  
  43. vector<vector<int>> a;
  44.  
  45. int consistency(int m, int n){
  46.  
  47.     int ans = m*n; //* All single element sequences 
  48.  
  49.     //* row wise 2 sized, 3 sized ,,, sequences of 0 & 1 colors
  50.     for(int i=0; i<m; i++){
  51.         int ones = 0;
  52.         int zeroes = 0;
  53.         for(int j=0; j<n; j++){
  54.             if(a[i][j] == 0) zeroes++;
  55.             else ones++;
  56.         }
  57.         for(int k=2; k<=zeroes; k++){
  58.             ans += nCr(zeroes, k);
  59.         }
  60.         for(int k=2; k<=ones; k++){
  61.             ans += nCr(ones, k);
  62.         }
  63.     }
  64.  
  65.     //* col wise 2 sized, 3 sized ,,, sequences of 0 & 1 colors
  66.     for(int j=0; j<n; j++){
  67.         int ones = 0;
  68.         int zeroes = 0;
  69.         for(int i=0; i<m; i++){
  70.             if(a[i][j] == 0) zeroes++;
  71.             else ones++;
  72.         }
  73.         for(int k=2; k<=zeroes; k++){
  74.             ans += nCr(zeroes, k);
  75.         }
  76.         for(int k=2; k<=ones; k++){
  77.             ans += nCr(ones, k);
  78.         }
  79.     }
  80.  
  81.     return ans;
  82. }
  83.  
  84.  
  85.  
  86.  
  87.  
  88.  
  89.  
  90.  
  91.  
  92.  
  93.  
  94.  
  95.  
  96.  
  97.  
  98. int practice(int m, int n){
  99.  
  100.  
  101.     return 0;
  102. }
  103.  
  104.  
  105.  
  106.  
  107.  
  108. void solve() {
  109.  
  110.     int m, n;
  111.     cin >> m >> n;
  112.     a.resize(m, vector<int>(n, 0));
  113.     for(int i=0; i<m; i++){
  114.         for(int j=0; j<n; j++) cin >> a[i][j];
  115.     }
  116.  
  117.     cout << consistency(m, n) << endl;
  118.  
  119.  
  120. }
  121.  
  122.  
  123.  
  124.  
  125.  
  126. int32_t main() {
  127.     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  128.  
  129.     int t = 1;
  130.     // cin >> t;
  131.     while (t--) {
  132.         solve();
  133.     }
  134.  
  135.     return 0;
  136. }
Success #stdin #stdout 0s 5308KB
comments (?)
stdin 
2 2
1 1
1 1
stdout 
8
https://ideone.com/iEGFfw
language:
C++14 (gcc 8.3)
created:
12 hours ago
visibility:
public

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