View Compilation Error

0_0_1115703_21897.cpp: In function `int main(int, char**)':
0_0_1115703_21897.cpp:7: error: expected primary-expression before "int"
0_0_1115703_21897.cpp:7: error: expected `;' before "int"
0_0_1115703_21897.cpp:8: error: `a' undeclared (first use this function)
0_0_1115703_21897.cpp:8: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_1115703_21897.cpp:10: error: `i' undeclared (first use this function)
0_0_1115703_21897.cpp:12: error: `n' undeclared (first use this function)