View Compilation Error

1_474_135_24484.cpp:2:25: bits/stdc++.h: No such file or directory
1_474_135_24484.cpp:16: error: expected init-declarator before '<' token
1_474_135_24484.cpp:16: error: expected `,' or `;' before '<' token
1_474_135_24484.cpp: In function `int main()':
1_474_135_24484.cpp:21: error: `scanf' undeclared (first use this function)
1_474_135_24484.cpp:21: error: (Each undeclared identifier is reported only once for each function it appears in.)
1_474_135_24484.cpp:22: error: `set' undeclared (first use this function)
1_474_135_24484.cpp:22: error: `PII' undeclared (first use this function)
1_474_135_24484.cpp:22: error: `s' undeclared (first use this function)
1_474_135_24484.cpp:23: error: `make_pair' undeclared (first use this function)
1_474_135_24484.cpp:27: error: expected `;' before "p"
1_474_135_24484.cpp:28: error: `::iterator' has not been declared
1_474_135_24484.cpp:28: error: expected `;' before "it"
1_474_135_24484.cpp:29: error: `it' undeclared (first use this function)
1_474_135_24484.cpp:30: error: `printf' undeclared (first use this function)
1_474_135_24484.cpp:32: error: `::iterator' has not been declared
1_474_135_24484.cpp:32: error: expected `;' before "jt"
1_474_135_24484.cpp:33: error: `abs' undeclared (first use this function)
1_474_135_24484.cpp:33: error: `jt' undeclared (first use this function)
1_474_135_24484.cpp:36: error: `p' undeclared (first use this function)