Submission #447043

#	Time	Username	Problem	Language	Result	Execution time	Memory
447043		dz001	Utrka (COCI14_utrka)	C++11	80 / 80	49 ms	2508 KiB

utrka

#include <bits/stdc++.h>
 
using namespace std;
 
#define pb push_back
#define fi first
#define se second
#define MOD 1000000007
 
typedef long long ll;

char ans[30];
int n;

signed main(){
	scanf("%d",&n);
	for(int i=0;i<n+n-1;++i){
		char s[30]; scanf("%s",&s);
		for(int j=0;j<strlen(s);++j)ans[j]^=s[j];
	}	
	printf("%s",ans);
	
#ifdef LOCAL
    cerr << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << "s.";
#endif
}

Compilation message (stderr)

utrka.cpp: In function 'int main()':
utrka.cpp:18:23: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[30]' [-Wformat=]
   18 |   char s[30]; scanf("%s",&s);
      |                      ~^  ~~
      |                       |  |
      |                       |  char (*)[30]
      |                       char*
utrka.cpp:19:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   19 |   for(int j=0;j<strlen(s);++j)ans[j]^=s[j];
      |               ~^~~~~~~~~~
utrka.cpp:16:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |  scanf("%d",&n);
      |  ~~~~~^~~~~~~~~
utrka.cpp:18:20: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |   char s[30]; scanf("%s",&s);
      |               ~~~~~^~~~~~~~~

• Subtask 1: 80 / 80