View Compilation Error

0_0_10324235_17215.cpp: In function `int main()':
0_0_10324235_17215.cpp:13: error: `n' undeclared (first use this function)
0_0_10324235_17215.cpp:13: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10324235_17215.cpp:15: error: `i' undeclared (first use this function)
0_0_10324235_17215.cpp:16: error: `j' undeclared (first use this function)
0_0_10324235_17215.cpp:18: error: `d' undeclared (first use this function)
0_0_10324235_17215.cpp:19: error: `x' undeclared (first use this function)
0_0_10324235_17215.cpp:21: error: `pd' undeclared (first use this function)
0_0_10324235_17215.cpp:22: error: `s' undeclared (first use this function)
0_0_10324235_17215.cpp:22: error: `e' undeclared (first use this function)