View Compilation Error

0_0_25023334_15853.cpp: In function 'bool leap(int)':
0_0_25023334_15853.cpp:5:15: error: 'i' was not declared in this scope
 printf("%d\n",i-1);
               ^
0_0_25023334_15853.cpp: At global scope:
0_0_25023334_15853.cpp:7:1: error: expected unqualified-id before 'return'
 return 0;
 ^
0_0_25023334_15853.cpp:8:1: error: expected declaration before '}' token
 }
 ^