Submission #1516876

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int n;
char s[55][55];

int main() {	
	scanf("%d",&n);
	for(int i = 0; i < n; ++i)
		scanf("%s",s[i]);
	for(char c = 'a'; c <= 'z'; ++c) {
		int mn = 1<<20;
		for(int i = 0; i < n; ++i) {
			int f = 0;
			for(int j = strlen(s[i])-1; j >= 0; --j)
				f += s[i][j] == c;
			mn = min(f,mn);
		}
		while(mn--)
			printf("%c",c);
	}
	printf("\n");
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:10:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s",s[i]);
                   ^

Judge Result