0_0_34212187_1758.cpp: In function 'int main()':
0_0_34212187_1758.cpp:4:24: error: 'scanf' was not declared in this scope
scanf("%d%d",&a,&b);
^
0_0_34212187_1758.cpp:6:18: error: 'printf' was not declared in this scope
printf("%d\n",c);
^
0_0_34212187_1758.cpp:7:3: error: return-statement with no value, in function returning 'int' [-fpermissive]
return ;
^
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