View Compilation Error

0_0_10484079_32749.cpp: In function `int main()':
0_0_10484079_32749.cpp:82: error: `u' undeclared (first use this function)
0_0_10484079_32749.cpp:82: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10484079_32749.cpp:82: error: expected `;' at end of input
0_0_10484079_32749.cpp:82: error: expected `}' at end of input
0_0_10484079_32749.cpp:82: error: expected `}' at end of input