View Compilation Error

0_0_30193422_10425.cpp: In function 'int main()':
0_0_30193422_10425.cpp:12:3: error: 'l' was not declared in this scope
   l=strlen(a);
   ^
0_0_30193422_10425.cpp:21:2: error: 'else' without a previous 'if'
  else printf("no\n");
  ^
0_0_30193422_10425.cpp: At global scope:
0_0_30193422_10425.cpp:23:1: error: expected declaration before '}' token
 }   
 ^