結果

問題 No.634 硬貨の枚数1
コンテスト
ユーザー tails
提出日時 2018-01-19 21:41:03
言語 C
(gcc 13.3.0)
結果
AC  
実行時間 9 ms / 2,000 ms
コード長 323 bytes
コンパイル時間 264 ms
コンパイル使用メモリ 28,800 KB
実行使用メモリ 5,248 KB
最終ジャッジ日時 2024-12-25 18:39:57
合計ジャッジ時間 2,699 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge5
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ファイルパターン 結果
sample AC * 3
other AC * 75
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.c:1:1: warning: data definition has no type or storage class
    1 | n;i;j;s;t;
      | ^
main.c:1:1: warning: type defaults to 'int' in declaration of 'n' [-Wimplicit-int]
main.c:1:3: warning: data definition has no type or storage class
    1 | n;i;j;s;t;
      |   ^
main.c:1:3: warning: type defaults to 'int' in declaration of 'i' [-Wimplicit-int]
main.c:1:5: warning: data definition has no type or storage class
    1 | n;i;j;s;t;
      |     ^
main.c:1:5: warning: type defaults to 'int' in declaration of 'j' [-Wimplicit-int]
main.c:1:7: warning: data definition has no type or storage class
    1 | n;i;j;s;t;
      |       ^
main.c:1:7: warning: type defaults to 'int' in declaration of 's' [-Wimplicit-int]
main.c:1:9: warning: data definition has no type or storage class
    1 | n;i;j;s;t;
      |         ^
main.c:1:9: warning: type defaults to 'int' in declaration of 't' [-Wimplicit-int]
main.c:2:1: warning: return type defaults to 'int' [-Wimplicit-int]
    2 | main(){
      | ^~~~
main.c: In function 'main':
main.c:3:9: warning: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    3 |         scanf("%d",&n);
      |         ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | n;i;j;s;t;
main.c:3:9: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    3 |         scanf("%d",&n);
      |         ^~~~~
main.c:3:9: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:7:25: warning: implicit declaration of function 'puts' [-Wimplicit-function-declaration]
    7 |                         puts("1");
      |                         ^~~~
main.c:7:25: note: include '<stdio.h>' or provide a declaration of 'puts'
main.c:8:25: warning: implicit declaration of function 'exit' [-Wimplicit-function-declaration]
    8 |                         exit(0);
      |                         ^~~~
main.c:1:1: note: include

ソースコード

diff #
raw source code 

n;i;j;s;t;
main(){
	scanf("%d",&n);
	for(i=0;;++i){
		s=i*(i+1)/2;
		if(s==n){
			puts("1");
			exit(0);
		}
		if(s>n){
			break;
		}
	}
	for(i=0;;++i){
		s=i*(i+1)/2;
		for(j=i;;++j){
			t=s+j*(j+1)/2;
			if(t==n){
				puts("2");
				exit(0);
			}
			if(t>n){
				break;
			}
		}
		if(s>n){
			break;
		}
	}
	puts("3");
}
0