結果

問題 No.117 組み合わせの数
ユーザー cielciel
提出日時 2015-01-13 15:54:58
言語 C90
(gcc 12.3.0)
結果
AC  
実行時間 89 ms / 5,000 ms
コード長 523 bytes
コンパイル時間 221 ms
コンパイル使用メモリ 21,760 KB
実行使用メモリ 48,340 KB
最終ジャッジ日時 2024-06-22 04:37:48
合計ジャッジ時間 777 ms
ジャッジサーバーID
(参考情報)
judge4 / 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 * 1
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: In function ‘main’:
main.c:14:13: warning: implicit declaration of function ‘scanf’ [-Wimplicit-function-declaration]
   14 |         for(scanf("%d",&T);T--;){
      |             ^~~~~
main.c:1:1: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
  +++ |+#include <stdio.h>
    1 | #define M 2000000
main.c:14:13: warning: incompatible implicit declaration of built-in function ‘scanf’ [-Wbuiltin-declaration-mismatch]
   14 |         for(scanf("%d",&T);T--;){
      |             ^~~~~
main.c:14:13: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
main.c:16:27: warning: implicit declaration of function ‘printf’ [-Wimplicit-function-declaration]
   16 |                 if(C=='P')printf("%lld\n",N<K?0:fact[N]*factr[N-K]%MOD);
      |                           ^~~~~~
main.c:16:27: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
main.c:16:27: warning: incompatible implicit declaration of built-in function ‘printf’ [-Wbuiltin-declaration-mismatch]
main.c:16:27: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
main.c:19:25: warning: incompatible implicit declaration of built-in function ‘printf’ [-Wbuiltin-declaration-mismatch]
   19 |                         printf("%lld\n",N==-1&&K==0?1:N<K?0:(__int128_t)fact[N]*factr[K]*factr[N-K]%MOD);
      |                         ^~~~~~
main.c:19:25: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
main.c:19:36: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 2 has type ‘__int128’ [-Wformat=]
   19 |                         printf("%lld\n",N==-1&&K==0?1:N<K?0:(__int128_t)fact[N]*factr[K]*factr[N-K]%MOD);
      |                                 ~~~^
      |                                    |
      |                                    long long int

ソースコード

diff #
プレゼンテーションモードにする

#define M 2000000
#define MOD 1000000007
long long inv[M],fact[M],factr[M];
int main(){
int i;
for(i=0;i<M;i++)inv[i]=fact[i]=factr[i]=1;
for(i=2;i<M;i++){
inv[i]=(MOD-MOD/i)*inv[MOD%i]%MOD;
fact[i]=i*fact[i-1]%MOD;
factr[i]=inv[i]*factr[i-1]%MOD;
}
int T,N,K;
char C;
for(scanf("%d",&T);T--;){
scanf("\n%c(%d,%d)",&C,&N,&K);
if(C=='P')printf("%lld\n",N<K?0:fact[N]*factr[N-K]%MOD);
else{
if(C=='H')N=N+K-1;
printf("%lld\n",N==-1&&K==0?1:N<K?0:(__int128_t)fact[N]*factr[K]*factr[N-K]%MOD);
}
}
}
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