Submission #69834759

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Source Code Expand

#include <iostream>
#include <string.h>
#include <map>

using namespace std;

int main()
{
    char kata[1000];
    scanf("%s", kata);
    map <char,int> mapping;
    for(int x = 0 ; x < strlen(kata) ; x++)
        mapping[kata[x]]++;
    for(auto &ptr : mapping)
    {
        if(ptr.second == 1)
            printf("%c\n", ptr.first);
    }
    return 0;
}

Submission Info

Compile Error

Main.cpp: In function ‘int main()’:
Main.cpp:12:23: warning: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare]
   12 |     for(int x = 0 ; x < strlen(kata) ; x++)
      |                     ~~^~~~~~~~~~~~~~
Main.cpp:10:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   10 |     scanf("%s", kata);
      |     ~~~~~^~~~~~~~~~~~

Judge Result