View Compilation Error

0_0_11331110_26640.cpp: In function `int main()':
0_0_11331110_26640.cpp:35: error: 'class std::bitset<800u>' has no member named 'se'
0_0_11331110_26640.cpp:35: error: `t' undeclared (first use this function)
0_0_11331110_26640.cpp:35: error: (Each undeclared identifier is reported only once for each function it appears in.)