View Compilation Error

142156_0_25347.cpp:5:19: algrithm: No such file or directory
142156_0_25347.cpp: In function `int main()':
142156_0_25347.cpp:36: error: `sort' undeclared (first use this function)
142156_0_25347.cpp:36: error: (Each undeclared identifier is reported only once for each function it appears in.)