結果

問題 No.648  お や す み 
ユーザー ciel
提出日時 2017-09-20 11:00:57
言語 C
(gcc 13.3.0)
結果
AC  
実行時間 1 ms / 2,000 ms
コード長 109 bytes
コンパイル時間 126 ms
コンパイル使用メモリ 29,056 KB
実行使用メモリ 6,948 KB
最終ジャッジ日時 2024-09-13 20:43:07
合計ジャッジ時間 1,959 ms
ジャッジサーバーID
(参考情報)
judge3 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 84
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: return type defaults to 'int' [-Wimplicit-int]
    1 | main(){long double n;scanf("%Lf",&n);long long q=n=sqrtl(8*n+1);printf(q<n||q%2==0?"NO":"YES\n%lld",q-1>>1);}
      | ^~~~
main.c: In function 'main':
main.c:1:22: warning: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    1 | main(){long double n;scanf("%Lf",&n);long long q=n=sqrtl(8*n+1);printf(q<n||q%2==0?"NO":"YES\n%lld",q-1>>1);}
      |                      ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | main(){long double n;scanf("%Lf",&n);long long q=n=sqrtl(8*n+1);printf(q<n||q%2==0?"NO":"YES\n%lld",q-1>>1);}
main.c:1:22: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    1 | main(){long double n;scanf("%Lf",&n);long long q=n=sqrtl(8*n+1);printf(q<n||q%2==0?"NO":"YES\n%lld",q-1>>1);}
      |                      ^~~~~
main.c:1:22: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:1:52: warning: implicit declaration of function 'sqrtl' [-Wimplicit-function-declaration]
    1 | main(){long double n;scanf("%Lf",&n);long long q=n=sqrtl(8*n+1);printf(q<n||q%2==0?"NO":"YES\n%lld",q-1>>1);}
      |                                                    ^~~~~
main.c:1:1: note: include '<math.h>' or provide a declaration of 'sqrtl'
  +++ |+#include <math.h>
    1 | main(){long double n;scanf("%Lf",&n);long long q=n=sqrtl(8*n+1);printf(q<n||q%2==0?"NO":"YES\n%lld",q-1>>1);}
main.c:1:52: warning: incompatible implicit declaration of built-in function 'sqrtl' [-Wbuiltin-declaration-mismatch]
    1 | main(){long double n;scanf("%Lf",&n);long long q=n=sqrtl(8*n+1);printf(q<n||q%2==0?"NO":"YES\n%lld",q-1>>1);}
      |                                                    ^~~~~
main.c:1:52: note: include '<math.h>' or provide a declaration of 'sqrtl'
main.c:1:65: warning: implicit declaration of function 'printf' [-Wimplicit-function-d

ソースコード

diff #

main(){long double n;scanf("%Lf",&n);long long q=n=sqrtl(8*n+1);printf(q<n||q%2==0?"NO":"YES\n%lld",q-1>>1);}
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