View Compilation Error

0_0_37683024_14009.cpp: In function 'll solve()':
0_0_37683024_14009.cpp:43:10: error: 'j' was not declared in this scope
     g[i][j]=d[i];
          ^
0_0_37683024_14009.cpp: In function 'll solve(int)':
0_0_37683024_14009.cpp:59:10: error: 'j' was not declared in this scope
     g[i][j]=d[i];
          ^