Submission #41246

#	Time	Username	Problem	Language	Result	Execution time	Memory
41246		mirbek01	Crayfish scrivener (IOI12_scrivener)	C++14	Compilation error	0 ms	0 KiB

scrivener

# include <bits/stdc++.h>
#pragma GCC optimize("Ofast")

# define pb push_back
# define fr first
# define sc second
# define mk make_pair

using namespace std;

const long long linf = 1e18 + 7;
const int inf = 1e9 + 7;
const int N = 1e6 + 5;

typedef long long ll;

int q, sz;
char s[N];
string ans;

int main(){
      scanf("%d", &q);

      while(q --){
            char ch, a;
            cin >> ch;
            if(ch == 'T'){
                  cin >> a;
                  s[sz ++] = a;
            }
            if(ch == 'P'){
                  int P;
                  cin >> P;
                  ans += s[P];
            }
            if(ch == 'U'){
                  int u;
                  cin >> u;
                  sz -= u;
            }
      }

      cout << ans << endl;
}

Compilation message (stderr)

scrivener.cpp: In function 'int main()':
scrivener.cpp:22:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d", &q);
                      ^
/tmp/cczyfkj6.o: In function `main':
scrivener.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccYgRSSC.o:grader.cpp:(.text.startup+0x0): first defined here
/tmp/ccYgRSSC.o: In function `main':
grader.cpp:(.text.startup+0x5d): undefined reference to `Init()'
grader.cpp:(.text.startup+0xef): undefined reference to `TypeLetter(char)'
grader.cpp:(.text.startup+0x14b): undefined reference to `UndoCommands(int)'
grader.cpp:(.text.startup+0x173): undefined reference to `GetLetter(int)'
collect2: error: ld returned 1 exit status