View Compilation Error

0_0_10891019_13632.cpp:1:9: #include expects "FILENAME" or <FILENAME>
0_0_10891019_13632.cpp:2:9: #include expects "FILENAME" or <FILENAME>
0_0_10891019_13632.cpp: In function `void str()':
0_0_10891019_13632.cpp:8: error: `memset' undeclared (first use this function)
0_0_10891019_13632.cpp:8: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10891019_13632.cpp:13: error: expected `;' before "if"
0_0_10891019_13632.cpp:13: error: expected primary-expression before "if"
0_0_10891019_13632.cpp:13: error: expected `)' before "if"
0_0_10891019_13632.cpp: In function `int main()':
0_0_10891019_13632.cpp:25: error: `scanf' undeclared (first use this function)
0_0_10891019_13632.cpp:25: error: `EOF' undeclared (first use this function)
0_0_10891019_13632.cpp:28: error: `printf' undeclared (first use this function)