View Compilation Error

0_0_1541047_10158.cpp: In function `int main()':
0_0_1541047_10158.cpp:13: error: ISO C++ forbids comparison between pointer and integer
0_0_1541047_10158.cpp:18: error: `reutnr' undeclared (first use this function)
0_0_1541047_10158.cpp:18: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_1541047_10158.cpp:18: error: expected `;' before numeric constant