提出 #67245890

---

ソースコード 拡げる

#include <stdio.h>
#include <stdlib.h>

struct str_s {
	char* str;
	struct str_s* next;
};

void print_str(const struct str_s* s) {
	if (s != NULL) {
		print_str(s->next);
		fputs(s->str, stdout);
	}
}

struct str_s* server;
struct str_s* pc[212345];

char s[1123456];

int main(void) {
	int N, Q;
	int i;
	if (scanf("%d%d", &N, &Q) != 2) return 1;
	for (i = 0; i < Q; i++) {
		int type;
		int p;
		if (scanf("%d%d", &type, &p) != 2) return 1;
		switch (type) {
			case 1:
				pc[p] = server;
				break;
			case 2:
				if (scanf("%1123455s", s) != 1) return 1;
				{
					size_t len = strlen(s);
					struct str_s* node = malloc(sizeof(*node));
					if (node == NULL) return 2;
					node->str = malloc(len + 1);
					if (node->str == NULL) return 2;
					strcpy(node->str, s);
					node->next = pc[p];
					pc[p] = node;
				}
				break;
			case 3:
				server = pc[p];
				break;
		}
	}
	print_str(server);
	putchar('\n');
	return 0;
}

提出情報

コンパイルエラー

Main.c: In function ‘main’:
Main.c:36:54: warning: implicit declaration of function ‘strlen’ [-Wimplicit-function-declaration]
   36 |                                         size_t len = strlen(s);
      |                                                      ^~~~~~
Main.c:3:1: note: include ‘<string.h>’ or provide a declaration of ‘strlen’
    2 | #include <stdlib.h>
  +++ |+#include <string.h>
    3 | 
Main.c:36:54: warning: incompatible implicit declaration of built-in function ‘strlen’ [-Wbuiltin-declaration-mismatch]
   36 |                                         size_t len = strlen(s);
      |                                                      ^~~~~~
Main.c:36:54: note: include ‘<string.h>’ or provide a declaration of ‘strlen’
Main.c:41:41: warning: implicit declaration of function ‘strcpy’ [-Wimplicit-function-declaration]
   41 |                                         strcpy(node->str, s);
      |                                         ^~~~~~
Main.c:41:41: note: include ‘<string.h>’ or provide a declaration of ‘strcpy’
Main.c:41:41: warning: incompatible implicit declaration of built-in function ‘strcpy’ [-Wbuiltin-declaration-mismatch]
Main.c:41:41: note: include ‘<string.h>’ or provide a declaration of ‘strcpy’

ジャッジ結果