View Compilation Error

372373_0_0_17882.cpp:1:19: stuido.h: No such file or directory
372373_0_0_17882.cpp:3: error: `main' must return `int'
372373_0_0_17882.cpp: In function `int main(...)':
372373_0_0_17882.cpp:4: error: `scanf' undeclared (first use this function)
372373_0_0_17882.cpp:4: error: (Each undeclared identifier is reported only once for each function it appears in.)
372373_0_0_17882.cpp:7: error: `printf' undeclared (first use this function)