View Compilation Error

0_0_29835369_17331.cpp: In function 'int main()':
0_0_29835369_17331.cpp:58:17: error: 'else' without a previous 'if'
                 else if(s[i][j]=='D')
                 ^
0_0_29835369_17331.cpp:58:30: error: 'j' was not declared in this scope
                 else if(s[i][j]=='D')
                              ^