View Compilation Error

0_0_37479462_12920.cpp: In function 'int main()':
0_0_37479462_12920.cpp:38:23: error: expected '}' at end of input
     vis[s[i][0]-'a']=1;//
                       ^
0_0_37479462_12920.cpp:38:23: error: expected '}' at end of input
0_0_37479462_12920.cpp:38:23: error: expected '}' at end of input
0_0_37479462_12920.cpp:38:23: error: expected '}' at end of input