View Compilation Error

0_0_17860430_26727.cpp: In function 'int main()':
0_0_17860430_26727.cpp:14:48: error: 'prinf' was not declared in this scope
    else if(a[i]-a[map[a[i]%m]]>m){prinf("Yes\n");f=1;break;}
                                                ^
0_0_17860430_26727.cpp:16:24: error: 'prinf' was not declared in this scope
   if(f==0)prinf("Yes\n");
                        ^