結果

問題 No.475 最終日 - Writerの怠慢
ユーザー rickytheta
提出日時 2016-12-25 00:09:22
言語 C++11（廃止可能性あり）
(gcc 13.3.0)
結果
AC  
実行時間 18 ms / 2,000 ms
コード長 1,468 bytes
コンパイル時間 1,593 ms
コンパイル使用メモリ 160,108 KB
実行使用メモリ 5,248 KB
最終ジャッジ日時 2024-12-24 01:30:57
合計ジャッジ時間 2,400 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge1
このコードへのチャレンジ
（要ログイン）
ファイルパターン 結果
other AC * 15
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.cpp: In function ‘int main()’:
main.cpp:42:11: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long int*’ [-Wformat=]
   42 |   scanf("%d%d%d",&n,&s,&id);
      |          ~^      ~~
      |           |      |
      |           int*   long long int*
      |          %lld
main.cpp:42:13: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long int*’ [-Wformat=]
   42 |   scanf("%d%d%d",&n,&s,&id);
      |            ~^       ~~
      |             |       |
      |             int*    long long int*
      |            %lld
main.cpp:42:15: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘long long int*’ [-Wformat=]
   42 |   scanf("%d%d%d",&n,&s,&id);
      |              ~^        ~~~
      |               |        |
      |               int*     long long int*
      |              %lld
main.cpp:43:19: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long int*’ [-Wformat=]
   43 |   REP(i,n)scanf("%d",a+i);
      |                  ~^  ~~~
      |                   |   |
      |                   |   long long int*
      |                   int*
      |                  %lld
main.cpp:42:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   42 |   scanf("%d%d%d",&n,&s,&id);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~
main.cpp:43:16: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   43 |   REP(i,n)scanf("%d",a+i);
      |           ~~~~~^~~~~~~~~~

ソースコード

diff #
プレゼンテーションモードにする

// Merry Christmas! (1発で通ってくれ)
#include <bits/stdc++.h>
#define int long long
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef int _loop_int;
#define REP(i,n) for(_loop_int i=0;i<(_loop_int)(n);++i)
#define FOR(i,a,b) for(_loop_int i=(_loop_int)(a);i<(_loop_int)(b);++i)
#define FORR(i,a,b) for(_loop_int i=(_loop_int)(b)-1;i>=(_loop_int)(a);--i)
#define DEBUG(x) cout<<#x<<": "<<x<<endl
#define DEBUG_VEC(v) cout<<#v<<":";REP(i,v.size())cout<<" "<<v[i];cout<<endl
#define ALL(a) (a).begin(),(a).end()
#define CHMIN(a,b) a=min((a),(b))
#define CHMAX(a,b) a=max((a),(b))
// mod
const ll MOD = 1000000007ll;
#define FIX(a) ((a)%MOD+MOD)%MOD
// floating
typedef double Real;
const Real EPS = 1e-11;
#define EQ0(x) (abs(x)<EPS)
#define EQ(a,b) (abs(a-b)<EPS)
typedef complex<Real> P;
int n,s,id;
int a[83025];
signed main(){
  scanf("%d%d%d",&n,&s,&id);
  REP(i,n)scanf("%d",a+i);
  int writerscore = s*100 + a[id];
  a[id] = 1e9;
  sort(a,a+n);
  double ans = 1.0;
  int ok_line = 0;
  REP(i,n-1){
    int score = (450*s + 50*s*(i+1)) / (5+i);
    while(ok_line<n-1){
      if(score + a[ok_line] <= writerscore)ok_line++;
      else break;
    }
    int choice = ok_line - i;
    int all = n-1-i;
    if(choice <= 0){
      ans = 0.0;
      break;
    }else{
      ans *= (double)choice / all;
    }
  }
  printf("%.12f\n",ans);
  return 0;
}
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
0