View Compilation Error

0_0_28916236_5382.cpp: In function 'int main()':
0_0_28916236_5382.cpp:4:170: error: expected '}' at end of input
 int main(){    int t;     scanf("%d",&t);     while(t--)    {        memset(a,0,sizeof(a));        scanf("%s",a);        ll ans = 0;        for(int i=0;a[i];i++)        {            ///printf("%c",a[i]);            ll cnt = 1;             while(a[i+1]&&a[i]==a[i+1])cnt++,i++;             ans += (1+cnt)*cnt/2;         }        printf("%lld\n",ans);    }     return 0;}
                                                                                                                                                                          ^
0_0_28916236_5382.cpp:4:170: error: expected '}' at end of input
0_0_28916236_5382.cpp:4:170: error: expected '}' at end of input