Submission #310619

#	Time	Username	Problem	Language	Result	Execution time	Memory
310619		Akashi	Type Printer (IOI08_printer)	C++14	0 / 100	63 ms	36088 KiB

printer

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

struct Trie {
	Trie *fii[26];
	int cnt;

	Trie(){memset(fii, NULL, sizeof(fii)); cnt = 0;}
};

Trie *T = new Trie;

int t;
char s[25];

void add(Trie *nod, char *p){
		if (*p == NULL) {
			nod->cnt++;
			return ;
		}

		if (nod->fii[*p - 'a'] == NULL) nod->fii[*p - 'a'] = new Trie;
		add(nod->fii[*p - 'a'], p + 1);
}

void parc(Trie *nod = T) {
	if (nod->cnt)
		printf("P\n");
	
	for (int i = 0; i < 26 ; ++i) {
		if (nod->fii[i] == NULL) continue ;
		printf("%c\n", i + 'a');
		parc(nod->fii[i]);
		printf("-\n");	
	}
}

int main() {
	scanf("%d", &t);
	for (int i = 1; i <= t ; ++i) {
		scanf("%s", s);
		add(T, s);	
	}
	
	parc();
	return 0;
}

Compilation message (stderr)

printer.cpp: In constructor 'Trie::Trie()':
printer.cpp:8:21: warning: passing NULL to non-pointer argument 2 of 'void* memset(void*, int, size_t)' [-Wconversion-null]
    8 |  Trie(){memset(fii, NULL, sizeof(fii)); cnt = 0;}
      |                     ^~~~
In file included from /usr/include/features.h:367,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/os_defines.h:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/c++config.h:524,
                 from /usr/include/c++/9/cassert:43,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:33,
                 from printer.cpp:1:
/usr/include/x86_64-linux-gnu/bits/string3.h:78:1: note:   declared here
   78 | __NTH (memset (void *__dest, int __ch, size_t __len))
      | ^~~~~
printer.cpp: In function 'void add(Trie*, char*)':
printer.cpp:17:13: warning: NULL used in arithmetic [-Wpointer-arith]
   17 |   if (*p == NULL) {
      |             ^~~~
printer.cpp: In function 'int main()':
printer.cpp:39:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   39 |  scanf("%d", &t);
      |  ~~~~~^~~~~~~~~~
printer.cpp:41:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   41 |   scanf("%s", s);
      |   ~~~~~^~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10