結果

問題 No.1419 Power Moves
ユーザー tailstails
提出日時 2021-03-11 12:35:29
言語 C
(gcc 13.3.0)
結果
AC  
実行時間 2 ms / 2,000 ms
コード長 2,395 bytes
コンパイル時間 201 ms
コンパイル使用メモリ 33,696 KB
実行使用メモリ 6,820 KB
最終ジャッジ日時 2024-10-13 01:37:45
合計ジャッジ時間 2,560 ms
ジャッジサーバーID
(参考情報)
judge5 / judge4
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
sample AC * 3
other AC * 31
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:41:1: warning: return type defaults to 'int' [-Wimplicit-int]
   41 | main(){
      | ^~~~
main.c: In function 'main':
main.c:60:25: warning: implicit declaration of function 'sprintf' [-Wimplicit-function-declaration]
   60 |                         sprintf(&b,"%11d\n%11d\n",q1,q0);
      |                         ^~~~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'sprintf'
  +++ |+#include <stdio.h>
    1 | #pragma GCC optimize("Ofast")
main.c:60:25: warning: incompatible implicit declaration of built-in function 'sprintf' [-Wbuiltin-declaration-mismatch]
   60 |                         sprintf(&b,"%11d\n%11d\n",q1,q0);
      |                         ^~~~~~~
main.c:60:25: note: include '<stdio.h>' or provide a declaration of 'sprintf'
main.c:60:33: warning: passing argument 1 of 'sprintf' from incompatible pointer type [-Wincompatible-pointer-types]
   60 |                         sprintf(&b,"%11d\n%11d\n",q1,q0);
      |                                 ^~
      |                                 |
      |                                 struct <anonymous> *
main.c:60:33: note: expected 'char *' but argument is of type 'struct <anonymous> *'
main.c:65:33: warning: passing argument 1 of 'sprintf' from incompatible pointer type [-Wincompatible-pointer-types]
   65 |                         sprintf(&b,"%11d\n%11d\n",q0,q0);
      |                                 ^~
      |                                 |
      |                                 struct <anonymous> *
main.c:65:33: note: expected 'char *' but argument is of type 'struct <anonymous> *'
main.c:70:33: warning: passing argument 1 of 'sprintf' from incompatible pointer type [-Wincompatible-pointer-types]
   70 |                         sprintf(&b,"%11d\n%11d\n",q1,q1);
      |                                 ^~
      |                                 |
      |                                 struct <anonymous> *
main.c:70:33: note: expected 'char *' but argument is of type 'st

ソースコード

diff #
プレゼンテーションモードにする

#pragma GCC optimize("Ofast")
#pragma GCC target("avx2")
char*mmap();
#define RD(v) int v=0;{int _c;while(_c=*rp++-48,_c>=0)v=v*10+_c;}
int wbuf[1<<26];
struct BufI4 { int a[4]; };
struct BufI6 { int a[6]; };
#define MD 1000000007
long modpow(long a, long b, long m){
long r=1;
while(b){
if(b&1){
r=r*a%m;
}
b>>=1;
a=a*a%m;
}
return r;
}
int inverse(int a){
int b=MD;
int u=1;
int v=0;
while(b){
int q=a/b,t;
t=b, b=a-q*b, a=t;
t=v, v=u-q*v, u=t;
}
if(u<0){
u+=MD;
}
return u;
}
main(){
char*rp=mmap(0l,1l<<28,1,2,0,0ll);
RD(n);
RD(k);
int r=modpow(2,k-1,n);
int q=(modpow(2,k-1,MD)-r+MD)%MD*inverse(n)*(n&1?2:4)%MD;
int d=modpow((MD+1)/2,k,MD);
q=1l*q*d%MD;
r*=2;
int*wp=wbuf;
if(n&1){
struct{ struct BufI6 b; int z; }b;
if(n<r){
r-=n;
q=(q+d)%MD;
int q0=q;
int q1=(q+d)%MD;
int e=r<n-r?r:n-r;
int i=0;
sprintf(&b,"%11d\n%11d\n",q1,q0);
for(;i<e;i+=2){
*(struct BufI6*)wp=b.b;
wp+=6;
}
sprintf(&b,"%11d\n%11d\n",q0,q0);
for(;i<n-r;i+=2){
*(struct BufI6*)wp=b.b;
wp+=6;
}
sprintf(&b,"%11d\n%11d\n",q1,q1);
for(;i<r;i+=2){
*(struct BufI6*)wp=b.b;
wp+=6;
}
sprintf(&b,"%11d\n%11d\n",q0,q1);
for(;i<n;i+=2){
*(struct BufI6*)wp=b.b;
wp+=6;
}
}else{
int q0=q;
int q1=(q+d)%MD;
int e=r<n-r?r:n-r;
int i=0;
sprintf(&b,"%11d\n%11d\n",q0,q1);
for(;i<e;i+=2){
*(struct BufI6*)wp=b.b;
wp+=6;
}
sprintf(&b,"%11d\n%11d\n",q0,q0);
for(;i<n-r;i+=2){
*(struct BufI6*)wp=b.b;
wp+=6;
}
sprintf(&b,"%11d\n%11d\n",q1,q1);
for(;i<r;i+=2){
*(struct BufI6*)wp=b.b;
wp+=6;
}
sprintf(&b,"%11d\n%11d\n",q1,q0);
for(;i<n;i+=2){
*(struct BufI6*)wp=b.b;
wp+=6;
}
}
wp-=3;
}else{
struct{ struct BufI4 b; int z; }b;
if(n<r){
r-=n;
q=(q+d)%MD;
q=(q+d)%MD;
}
int q0=q;
int q1=(q0+d)%MD;
int q2=(q1+d)%MD;
int e=r<n-r?r:n-r;
int i=0;
sprintf(&b," 0\n%11d\n",q1);
for(;i<e;i+=2){
*(struct BufI4*)wp=b.b;
wp+=4;
}
sprintf(&b," 0\n%11d\n",q0);
for(;i<n-r;i+=2){
*(struct BufI4*)wp=b.b;
wp+=4;
}
sprintf(&b," 0\n%11d\n",q2);
for(;i<r;i+=2){
*(struct BufI4*)wp=b.b;
wp+=4;
}
sprintf(&b," 0\n%11d\n",q1);
for(;i<n;i+=2){
*(struct BufI4*)wp=b.b;
wp+=4;
}
}
write(1,wbuf,(wp-wbuf)*sizeof*wbuf);
_exit(0);
}
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