View Compilation Error

0_0_5360855_29749.cpp: In function `int main()':
0_0_5360855_29749.cpp:4: error: `n' undeclared (first use this function)
0_0_5360855_29749.cpp:4: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_5360855_29749.cpp:4: error: stray '\163' in program
0_0_5360855_29749.cpp:4: error: stray '\161' in program
0_0_5360855_29749.cpp:8: error: `floor' undeclared (first use this function)
0_0_5360855_29749.cpp:11: error: `seconds' undeclared (first use this function)
0_0_5360855_29749.cpp:18: error: expected `;' before '}' token