回答編集履歴

変更

2017/11/13 02:05

投稿

スコア4070

test CHANGED Viewed

@@ -26,17 +26,17 @@
 int main(){
-  char x;
+  char a;
-  char *a;
+  char *p;
-  a=&x;
+  p=&a;
   printf("input a small character =");
-  scanf("%c", a);
+  scanf("%c", p);
-  char b = toupper(x);
+  char b = toupper(a);
   printf("capital is =%c\n", b);

修正

2017/11/13 02:05

投稿

スコア4070

test CHANGED Viewed

@@ -26,13 +26,17 @@
 int main(){
+  char x;
   char *a;
+  a=&x;
   printf("input a small character =");
   scanf("%c", a);
-  char b = toupper(*a);
+  char b = toupper(x);
   printf("capital is =%c\n", b);

追加

2017/11/13 02:04

投稿

スコア4070

test CHANGED Viewed

@@ -13,3 +13,31 @@
 とされるのがよろしいかと
+または
+```c
+#include<stdio.h>
+#include <ctype.h>
+int main(){
+  char *a;
+  printf("input a small character =");
+  scanf("%c", a);
+  char b = toupper(*a);
+  printf("capital is =%c\n", b);
+  return 0;
+}
+```