View Compilation Error

0_0_4172342_8594.cpp:2:20: algrithm: No such file or directory
0_0_4172342_8594.cpp: In function `int main()':
0_0_4172342_8594.cpp:12: error: `sort' undeclared (first use this function)
0_0_4172342_8594.cpp:12: error: (Each undeclared identifier is reported only once for each function it appears in.)