Submission #1284169

#	Time	Username	Problem	Language	Result	Execution time	Memory
1284169		ggillianjiang	Dancing Elephants (IOI11_elephants)	C++20	Compilation error	0 ms	0 KiB

elephants

#include <cstdio>
#include <utility>

using namespace std;

#define m first.first
#define l first.second
#define w second

int Theory(int mr, int lo, int wp){
   int m2, l2, w2;
   scanf("%d %d %d", &m2, &l2, &w2);
   if(mr!=m2) return 1;
   if(lo!=l2) return 2;
   if(wp!=w2) return 3;
   else return 0;
}

void Solve(){
   pair< pair<int, int> , int> mlw;
   int r;
   r = Theory(mlw.m, mlw.l, mlw.w);
   if (r == 0) return;
   else if(r==1) mlw.m++;
   else if(r==2) mlw.l++;
   else mlw.w++;
}

int main(){
   Solve();

   return 0;
}

Compilation message (stderr)

elephants.cpp: In function 'int Theory(int, int, int)':
elephants.cpp:12:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |    scanf("%d %d %d", &m2, &l2, &w2);
      |    ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccgwmPcz.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc3pABcC.o:elephants.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccgwmPcz.o: in function `main':
grader.cpp:(.text.startup+0x27): undefined reference to `init(int, int, int*)'
/usr/bin/ld: grader.cpp:(.text.startup+0x56): undefined reference to `update(int, int)'
collect2: error: ld returned 1 exit status