View Compilation Error

0_0_10411254_5362.cpp: In function `int main()':
0_0_10411254_5362.cpp:6: error: `ke' undeclared (first use this function)
0_0_10411254_5362.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10411254_5362.cpp:11: error: expected `)' before "e"
0_0_10411254_5362.cpp:11: error: `e' undeclared (first use this function)
0_0_10411254_5362.cpp:11: error: expected `;' before ')' token