func_code_string: #include <bits/stdc++.h>   using namespace std;   template <typename T, typename U>   inline void smin(T &a, U b) {     if (a > b) a = b;   }   template <typename T, typename U>   inline void smax(T &a, U b) {     if (a < b) a = b;   }   template <class T>   inline void gn(T &first) {     char c, sg = 0;     while (c = getchar(), (c >  9  || c <  0 ) && c !=  - )       ;     for ((c ==  -  ? sg = 1, c = getchar() : 0), first = 0; c >=  0  && c <=  9 ;          c = getchar())       first = (first << 1) + (first << 3) + c -  0 ;     if (sg) first = -first;   }   template <class T>   inline void print(T first) {     if (first < 0) {       putchar( - );       return print(-first);     }     if (first < 10) {       putchar( 0  + first);       return;     }     print(first / 10);     putchar(first % 10 +  0 );   }   template <class T, class T1>   inline void gn(T &first, T1 &second) {     gn(first);     gn(second);   }   template <class T, class T1, class T2>   inline void gn(T &first, T1 &second, T2 &z) {     gn(first);     gn(second);     gn(z);   }   template <class T>   inline void println(T first) {     print(first);     putchar(  n );   }   template <class T>   inline void printsp(T first) {     print(first);     putchar(   );   }   template <class T1, class T2>   inline void print(T1 x1, T2 x2) {     printsp(x1), println(x2);   }   template <class T1, class T2, class T3>   inline void print(T1 x1, T2 x2, T3 x3) {     printsp(x1), printsp(x2), println(x3);   }   template <class T1, class T2, class T3, class T4>   inline void print(T1 x1, T2 x2, T3 x3, T4 x4) {     printsp(x1), printsp(x2), printsp(x3), println(x4);   }   int power(int a, int b, int m, int ans = 1) {     for (; b; b >>= 1, a = 1LL * a * a % m)       if (b & 1) ans = 1LL * ans * a % m;     return ans;   }   int a[211][211];   int dp[211][211][211];   int dst[211][211];   int id[211][211];   int di[] = {1, -1, 0, 0};   int dj[] = {0, 0, 1, -1};   char res[211][211];   int vst[1011];   int main() {     int n, m, k;     cin >> n >> m >> k;     for (int i = 1; i <= n; i++)       for (int j = 1; j <= m; j++) {         gn(a[i][j]);         vst[a[i][j]]++;         a[i][j] = a[i][j] * 10000 + vst[a[i][j]];       }     int nn = 0;     for (int i = 1; i <= n; i++)       for (int j = 1; j <= m; j++) id[i][j] = ++nn;     memset(dst, 0x3f3f3f3f, sizeof dst);     for (int i = 1; i <= n; i++)       for (int j = 1; j <= m; j++) {         for (int k = 0; k < 4; k++) {           int ii = i + di[k], jj = j + dj[k];           if (ii < 1 or jj < 1 or ii > n or jj > m) continue;           dst[id[i][j]][id[ii][jj]] = a[ii][jj];           dst[id[ii][jj]][id[i][j]] = a[i][j];         }       }     for (int k = 1; k <= nn; k++) {       for (int i = 1; i <= nn; i++) {         for (int j = 1; j <= nn; j++) {           smin(dst[i][j], dst[i][k] + dst[k][j]);         }       }     }     for (int i = 1; i <= n; i++)       for (int j = 1; j <= m; j++) {         for (int ii = 1; ii <= n; ii++)           for (int jj = 1; jj <= m; jj++) {             dst[id[i][j]][id[ii][jj]] += a[i][j];           }       }     memset(dp, 0x3f3f3f3f, sizeof dp);     for (int i = 0; i < k; i++) {       int first, second;       gn(first, second);       dp[1 << i][first][second] = a[first][second];     }     for (int i = 1; i < 1 << k; i++) {       for (int p = 1; p <= n; p++) {         for (int q = 1; q <= m; q++) {           int b = 0;           while (b = (b - i) & i) {             if (b < i) smin(dp[i][p][q], dp[b][p][q] + dp[i ^ b][p][q] - a[p][q]);           }         }       }       for (int r = 1; r <= n; r++) {         for (int w = 1; w <= m; w++) {           for (int p = 1; p <= n; p++) {             for (int q = 1; q <= m; q++) {               smin(dp[i][p][q], dp[i][r][w] + dst[id[p][q]][id[r][w]] - a[r][w]);             }           }         }       }     }     int ans = 0x3f3f3f3f;     for (int i = 1; i <= n; i++) {       for (int j = 1; j <= m; j++) smin(ans, dp[(1 << k) - 1][i][j]);     }     for (int i = 1; i <= n; i++)       for (int j = 1; j <= m; j++) res[i][j] =  . ;     cout << ans / 10000 << endl;     int tmp = 0;     for (int i = 1; i <= n; i++) {       for (int j = 1; j <= m; j++) {         if (dp[(1 << k) - 1][i][j] == ans)           res[i][j] =  X , tmp += a[i][j] / 10000;       }     }     if (ans / 10000 != tmp)       while (1)         ;     for (int i = 1; i <= n; i++) {       for (int j = 1; j <= m; j++) printf( %c , res[i][j]);       puts(  );     }     return 0;   }   