結果

問題 No.391 CODING WAR
ユーザー 👑 testestesttestestest
提出日時 2016-07-17 18:18:25
言語 C90
(gcc 12.3.0)
結果
AC  
実行時間 209 ms / 2,000 ms
コード長 292 bytes
コンパイル時間 159 ms
コンパイル使用メモリ 20,992 KB
実行使用メモリ 5,248 KB
最終ジャッジ日時 2024-10-15 15:24:58
合計ジャッジ時間 2,345 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge3
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ファイルパターン 結果
sample AC * 4
other AC * 16
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:3:10: warning: data definition has no type or storage class
    3 | ll n,s,t;m,i;
      |          ^
main.c:3:10: warning: type defaults to ‘int’ in declaration of ‘m’ [-Wimplicit-int]
main.c:3:12: warning: type defaults to ‘int’ in declaration of ‘i’ [-Wimplicit-int]
    3 | ll n,s,t;m,i;
      |            ^
main.c:5:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
    5 | main(){
      | ^~~~
main.c: In function ‘main’:
main.c:6:9: warning: implicit declaration of function ‘scanf’ [-Wimplicit-function-declaration]
    6 |         scanf("%lld%d",&n,&m);
      |         ^~~~~
main.c:1:1: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
  +++ |+#include <stdio.h>
    1 | #define ll long long
main.c:6:9: warning: incompatible implicit declaration of built-in function ‘scanf’ [-Wbuiltin-declaration-mismatch]
    6 |         scanf("%lld%d",&n,&m);
      |         ^~~~~
main.c:6:9: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
main.c:10:12: warning: implicit declaration of function ‘printf’ [-Wimplicit-function-declaration]
   10 |         s=!printf("%d",s%P);
      |            ^~~~~~
main.c:10:12: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
main.c:10:12: warning: incompatible implicit declaration of built-in function ‘printf’ [-Wbuiltin-declaration-mismatch]
main.c:10:12: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
main.c:10:21: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
   10 |         s=!printf("%d",s%P);
      |                    ~^
      |                     |
      |                     int
      |                    %lld

ソースコード

diff # 

#define ll long long
#define P 1000000007
ll n,s,t;m,i;
ll pom(ll a,ll i,ll m){return i?i%2?pom(a*a%m,i/2,m)*a%m:pom(a*a%m,i/2,m)%m:1;}
main(){
	scanf("%lld%d",&n,&m);
	s=pom(m,n,P);
	t=1;
	for(i=1;i<m;i++)s+=(i%2?-1:1)*(t=t*(m-i+1)%P*pom(i,P-2,P)%P)*pom(m-i,n,P)%P+P;
	s=!printf("%d",s%P);
}
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