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 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 19 ms / 2,000 ms |
コード長 | 1,468 bytes |
コンパイル時間 | 1,867 ms |
コンパイル使用メモリ | 160,972 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-06 10:41:54 |
合計ジャッジ時間 | 2,369 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 3 ms
6,940 KB |
testcase_04 | AC | 18 ms
6,944 KB |
testcase_05 | AC | 19 ms
6,944 KB |
testcase_06 | AC | 18 ms
6,940 KB |
testcase_07 | AC | 18 ms
6,944 KB |
testcase_08 | AC | 18 ms
6,944 KB |
testcase_09 | AC | 18 ms
6,940 KB |
testcase_10 | AC | 18 ms
6,944 KB |
testcase_11 | AC | 18 ms
6,940 KB |
testcase_12 | AC | 13 ms
6,944 KB |
testcase_13 | AC | 13 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,940 KB |
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
// 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; }