#6755 (C90) No.106 素数が嫌い！2

• 問題: No.106 素数が嫌い！2
• ユーザー: ciel
• 提出日時: 2014-12-19 01:25:24
• 言語: C90 (gcc 11.4.0)
• 結果: AC
• 実行時間: 31 ms / 5,000 ms
• コード長: 170 bytes
• コンパイル時間: 265 ms
• コンパイル使用メモリ: 23,552 KB
• 実行使用メモリ: 9,708 KB
• 最終ジャッジ日時: 2023-09-02 19:06:00
• 合計ジャッジ時間: 1,574 ms
• ジャッジサーバーID （参考情報）: judge15 / judge14

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	30 ms; 9,704 KB
testcase_01	AC	30 ms; 9,648 KB
testcase_02	AC	30 ms; 9,540 KB
testcase_03	AC	29 ms; 9,656 KB
testcase_04	AC	30 ms; 9,700 KB
testcase_05	AC	31 ms; 9,708 KB
testcase_06	AC	31 ms; 9,620 KB
testcase_07	AC	31 ms; 9,704 KB
testcase_08	AC	30 ms; 9,648 KB
testcase_09	AC	29 ms; 9,620 KB
testcase_10	AC	31 ms; 9,588 KB
testcase_11	AC	30 ms; 9,656 KB
testcase_12	AC	31 ms; 9,516 KB
testcase_13	AC	29 ms; 9,620 KB
testcase_14	AC	30 ms; 9,508 KB
testcase_15	AC	29 ms; 9,612 KB

コンパイルメッセージ

main.c:2:1: warning: data definition has no type or storage class
 t[M+1],n,k,i;main(j){
 ^
main.c:2:1: warning: type defaults to ‘int’ in declaration of ‘t’ [-Wimplicit-int]
main.c:2:8: warning: type defaults to ‘int’ in declaration of ‘n’ [-Wimplicit-int]
 t[M+1],n,k,i;main(j){
        ^
main.c:2:10: warning: type defaults to ‘int’ in declaration of ‘k’ [-Wimplicit-int]
 t[M+1],n,k,i;main(j){
          ^
main.c:2:12: warning: type defaults to ‘int’ in declaration of ‘i’ [-Wimplicit-int]
 t[M+1],n,k,i;main(j){
            ^
main.c:2:14: warning: return type defaults to ‘int’ [-Wimplicit-int]
 t[M+1],n,k,i;main(j){
              ^~~~
main.c: In function ‘main’:
main.c:2:14: warning: type of ‘j’ defaults to ‘int’ [-Wimplicit-int]
main.c:3:2: warning: implicit declaration of function ‘scanf’ [-Wimplicit-function-declaration]
  scanf("%d%d",&n,&k);
  ^~~~~
main.c:3:2: warning: incompatible implicit declaration of built-in function ‘scanf’
main.c:3:2: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
main.c:1:1:
+#include <stdio.h>
 #define M 2000000
main.c:3:2:
  scanf("%d%d",&n,&k);
  ^~~~~
main.c:6:5: warning: implicit declaration of function ‘printf’ [-Wimplicit-function-declaration]
  n=!printf("%d\n",j);
     ^~~~~~
main.c:6:5: warning: incompatible implicit declaration of built-in function ‘printf’
main.c:6:5: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’

ソースコード

#define M 2000000
t[M+1],n,k,i;main(j){
	scanf("%d%d",&n,&k);
	for(i=2;i<=M;i++)if(!t[i])for(j=i;j<=M;j+=i)t[j]++;
	for(j=i=0;i<=n;i++)j+=t[i]>=k;
	n=!printf("%d\n",j);
}