View Compilation Error

853604_0_0_12076.cpp:1:19: studio.h: No such file or directory
853604_0_0_12076.cpp: In function `int main()':
853604_0_0_12076.cpp:6: error: `scanf' undeclared (first use this function)
853604_0_0_12076.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
853604_0_0_12076.cpp:6: error: `EOF' undeclared (first use this function)
853604_0_0_12076.cpp:9: error: `printf' undeclared (first use this function)