View Compilation Error

0_0_7551223_16678.cpp:4:20: algroithm: No such file or directory
0_0_7551223_16678.cpp: In function `int tangxing()':
0_0_7551223_16678.cpp:27: error: `n' undeclared (first use this function)
0_0_7551223_16678.cpp:27: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_7551223_16678.cpp: In function `int main()':
0_0_7551223_16678.cpp:42: error: name lookup of `i' changed for new ISO `for' scoping
0_0_7551223_16678.cpp:39: error:   using obsolete binding at `i'
0_0_7551223_16678.cpp:42: error: no match for 'operator+' in 'map[i] + n'
0_0_7551223_16678.cpp:44: error: `tangXing' undeclared (first use this function)