View Compilation Error

0_0_31262276_20276.c: In function 'main':
0_0_31262276_20276.c:7:9: error: expected expression before 'int'
    s[i]=int(a[i]);
         ^
0_0_31262276_20276.c:17:16: error: expected expression before 'char'
    printf("%c",char(s[i]));
                ^