Submission #1181732
Source Code Expand
//start of jonathanirvings' template v3.0.3 (BETA)
#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
typedef pair<int,int> pii;
typedef pair<LL,LL> pll;
typedef pair<string,string> pss;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<pii> vii;
typedef vector<LL> vl;
typedef vector<vl> vvl;
double EPS = 1e-9;
int INF = 1000000005;
long long INFF = 1000000000000000005LL;
double PI = acos(-1);
int dirx[8] = {-1,0,0,1,-1,-1,1,1};
int diry[8] = {0,1,-1,0,-1,1,-1,1};
#ifdef TESTING
#define DEBUG fprintf(stderr,"====TESTING====\n")
#define VALUE(x) cerr << "The value of " << #x << " is " << x << endl
#define debug(...) fprintf(stderr, __VA_ARGS__)
#else
#define DEBUG
#define VALUE(x)
#define debug(...)
#endif
#define FOR(a,b,c) for (int (a)=(b);(a)<(c);++(a))
#define FORN(a,b,c) for (int (a)=(b);(a)<=(c);++(a))
#define FORD(a,b,c) for (int (a)=(b);(a)>=(c);--(a))
#define FORSQ(a,b,c) for (int (a)=(b);(a)*(a)<=(c);++(a))
#define FORC(a,b,c) for (char (a)=(b);(a)<=(c);++(a))
#define FOREACH(a,b) for (auto &(a) : (b))
#define REP(i,n) FOR(i,0,n)
#define REPN(i,n) FORN(i,1,n)
#define MAX(a,b) a = max(a,b)
#define MIN(a,b) a = min(a,b)
#define SQR(x) ((LL)(x) * (x))
#define RESET(a,b) memset(a,b,sizeof(a))
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define ALL(v) v.begin(),v.end()
#define ALLA(arr,sz) arr,arr+sz
#define SIZE(v) (int)v.size()
#define SORT(v) sort(ALL(v))
#define REVERSE(v) reverse(ALL(v))
#define SORTA(arr,sz) sort(ALLA(arr,sz))
#define REVERSEA(arr,sz) reverse(ALLA(arr,sz))
#define PERMUTE next_permutation
#define TC(t) while(t--)
inline string IntToString(LL a){
char x[100];
sprintf(x,"%lld",a); string s = x;
return s;
}
inline LL StringToInt(string a){
char x[100]; LL res;
strcpy(x,a.c_str()); sscanf(x,"%lld",&res);
return res;
}
inline string GetString(void){
char x[1000005];
scanf("%s",x); string s = x;
return s;
}
inline string uppercase(string s){
int n = SIZE(s);
REP(i,n) if (s[i] >= 'a' && s[i] <= 'z') s[i] = s[i] - 'a' + 'A';
return s;
}
inline string lowercase(string s){
int n = SIZE(s);
REP(i,n) if (s[i] >= 'A' && s[i] <= 'Z') s[i] = s[i] - 'A' + 'a';
return s;
}
inline void OPEN (string s) {
#ifndef TESTING
freopen ((s + ".in").c_str (), "r", stdin);
freopen ((s + ".out").c_str (), "w", stdout);
#endif
}
//end of jonathanirvings' template v3.0.3 (BETA)
int n,a,b;
LL data[55];
LL C[55][55];
long double risan;
int main()
{
C[0][0] = 1;
FORN(i,1,50)
{
C[i][0] = C[i][i] = 1;
FOR(j,1,i) C[i][j] = C[i-1][j-1] + C[i-1][j];
}
scanf("%d %d %d",&n,&a,&b);
REP(i,n) scanf("%lld",&data[i]);
SORTA(data,n);
REVERSEA(data,n);
FORN(i,a,b)
{
LL now = 0;
REP(j,i) now += data[j];
MAX(risan,(long double)now / i);
}
LL ashar = 0;
FORN(i,a,b)
{
LL now = 0;
REP(j,i) now += data[j];
if ((LL)round(risan * i) == now)
{
LL lst = data[i-1];
int kecil = 0;
int ada = 0;
REP(j,n)
{
if (data[j] > lst) ++kecil;
else if (data[j] == lst) ++ada;
}
// VALUE(ada);
int sisa = i - kecil;
// VALUE(sisa);
ashar += C[ada][sisa];
}
}
printf("%7Lf\n",risan);
printf("%lld\n",ashar);
return 0;
}
Submission Info
Compile Error
./Main.cpp: In function ‘int main()’:
./Main.cpp:111:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d %d",&n,&a,&b);
^
./Main.cpp:112:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
REP(i,n) scanf("%lld",&data[i]);
^
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
400 / 400 |
Status |
|
|
Set Name |
Test Cases |
Sample |
sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt |
All |
sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, subtask_1_1.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt, subtask_1_2.txt, subtask_1_3.txt, subtask_1_4.txt, subtask_1_5.txt, subtask_1_6.txt, subtask_1_7.txt, subtask_1_8.txt, subtask_1_9.txt |
Case Name |
Status |
Exec Time |
Memory |
sample_01.txt |
AC |
1 ms |
256 KB |
sample_02.txt |
AC |
1 ms |
256 KB |
sample_03.txt |
AC |
1 ms |
256 KB |
sample_04.txt |
AC |
1 ms |
256 KB |
subtask_1_1.txt |
AC |
3 ms |
384 KB |
subtask_1_10.txt |
AC |
1 ms |
256 KB |
subtask_1_11.txt |
AC |
1 ms |
256 KB |
subtask_1_12.txt |
AC |
1 ms |
256 KB |
subtask_1_13.txt |
AC |
1 ms |
256 KB |
subtask_1_14.txt |
AC |
1 ms |
256 KB |
subtask_1_15.txt |
AC |
1 ms |
256 KB |
subtask_1_2.txt |
AC |
1 ms |
256 KB |
subtask_1_3.txt |
AC |
1 ms |
256 KB |
subtask_1_4.txt |
AC |
1 ms |
256 KB |
subtask_1_5.txt |
AC |
1 ms |
256 KB |
subtask_1_6.txt |
AC |
1 ms |
256 KB |
subtask_1_7.txt |
AC |
1 ms |
256 KB |
subtask_1_8.txt |
AC |
1 ms |
256 KB |
subtask_1_9.txt |
AC |
1 ms |
256 KB |