View Compilation Error

0_0_11583045_11730.cpp:196:41: ext/pb_ds/assoc_container.hpp: No such file or directory
0_0_11583045_11730.cpp:197:37: ext/pb_ds/tree_policy.hpp: No such file or directory
0_0_11583045_11730.cpp:199: error: expected namespace-name before ';' token
0_0_11583045_11730.cpp:199: error: `<type error>' is not a namespace
0_0_11583045_11730.cpp:200: error: expected init-declarator before '<' token
0_0_11583045_11730.cpp:200: error: expected `,' or `;' before '<' token
0_0_11583045_11730.cpp:202: error: `treetype' does not name a type