Submission #431734

#	Time	Username	Problem	Language	Result	Execution time	Memory
431734		luka1234	Crayfish scrivener (IOI12_scrivener)	C++14	Compilation error	0 ms	0 KiB

scrivener

#include <bits/stdc++.h>
#define ll long long
#define ff first
#define ss second
using namespace std;
int siz[1000001];
char adg[1000001];
int main(){
	int n;
	cin>>n;
	set<int> s;
	int mn=1e9;
	vector<pair<pair<char,char>,int> > a;
	for(int k=1;k<=n;k++){
		char c;
		cin>>c;
		if(c=='T'){
			char c1;
			cin>>c1;
			a.push_back({{'T',c1},-1});
		}
		if(c=='U'){
			int v;
			cin>>v;
			a.push_back({{'U','S'},v});
		}
		if(c=='P'){
			int v;
			cin>>v;
			s.insert(v);
		}
	}
	for(int k=0;k<a.size();k++){
		char c=a[k].ff.ff;
		if(c=='T'){
			char c1=a[k].ff.ss;
			siz[k+1]=siz[k]+1;
			int v=siz[k+1]-1;
			if(s.find(v)!=s.end())
			   adg[v]=c1;
		}
		if(c=='U'){
			int v=a[k].ss;
			siz[k+1]=siz[k-v];
		}
	}
	set<int>::iterator it;
	for(it=s.begin();it!=s.end();it++){
		int v=*it;
		cout<<adg[v]<<"\n";
	}
    return 0;
}

Compilation message (stderr)

scrivener.cpp: In function 'int main()':
scrivener.cpp:33:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<char, char>, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |  for(int k=0;k<a.size();k++){
      |              ~^~~~~~~~~
scrivener.cpp:12:6: warning: unused variable 'mn' [-Wunused-variable]
   12 |  int mn=1e9;
      |      ^~
/usr/bin/ld: /tmp/ccNoe4Yv.o: in function `main':
scrivener.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccesuoBt.o:grader.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccesuoBt.o: in function `main':
grader.cpp:(.text.startup+0x63): undefined reference to `Init()'
/usr/bin/ld: grader.cpp:(.text.startup+0xff): undefined reference to `TypeLetter(char)'
/usr/bin/ld: grader.cpp:(.text.startup+0x15f): undefined reference to `UndoCommands(int)'
/usr/bin/ld: grader.cpp:(.text.startup+0x18b): undefined reference to `GetLetter(int)'
collect2: error: ld returned 1 exit status