View Compilation Error

0_0_2030029_14543.cpp: In function `int main()':
0_0_2030029_14543.cpp:3: error: `scanf' undeclared (first use this function)
0_0_2030029_14543.cpp:3: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_2030029_14543.cpp:4: error: missing terminating " character
0_0_2030029_14543.cpp:6: error: expected primary-expression before '}' token
0_0_2030029_14543.cpp:6: error: expected `;' before '}' token
0_0_2030029_14543.cpp:6: error: expected `}' at end of input