Submission #17984


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#define _USE_MATH_DEFINES
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <climits>
#include <cfloat>
#include <ctime>
#include <cassert>
#include <map>
#include <utility>
#include <set>
#include <iostream>
#include <memory>
#include <string>
#include <vector>
#include <algorithm>
#include <functional>
#include <sstream>
#include <complex>
#include <stack>
#include <queue>
#include <numeric>
#include <list>
#include <iomanip>


#ifdef _DEBUG
#define typeof(X) std::identity<decltype(X)>::type //C++0x (for vs2010)
#else
#define typeof(X) __typeof__(X) // for gcc
#endif

#define sz(a)  int((a).size())
#define FOREACH(it, c) for (typeof((c).begin()) it=(c).begin(); it != (c).end(); ++it)
#define FOR(i,count) for (int i = 0; i < (count); i++)

template <class T> void max_swap(T& a, const T& b) { a = max(a, b); }
template <class T> void min_swap(T& a, const T& b) { a = min(a, b); }

using namespace std;
static const double EPS = 1e-5;
typedef long long ll;
const int MODULO = 1000000007;
const int INF = 100000000; //1e8

typedef long long ll;
typedef pair<int,int> Pii;
typedef pair<ll,ll> Pll;
typedef complex<double> Cd;

int main(){
	int n;
	cin>>n;
	string s;
	cin >>s;
	static char A[] = {'F','D','C','B','A'};
	int ans = 0;
	FOREACH(it,s){
		int i = 0;
		for(; i < 5; i++){
			if(A[i] == *it) break;
		}
		ans += i;
	}

	printf("%.15lf\n",(double)ans / s.size());

	return 0;
}

Submission Info

Submission Time
Task A - GPA計算
User math
Language C++ (GCC 4.4.7)
Score 100
Code Size 1495 Byte
Status AC
Exec Time 24 ms
Memory 824 KB

Judge Result

Set Name all
Score / Max Score 100 / 100
Status
AC × 32
Set Name Test Cases
all 00_sample_01.txt, 00_sample_02.txt, 01_rnd_01.txt, 01_rnd_02.txt, 01_rnd_03.txt, 01_rnd_04.txt, 01_rnd_05.txt, 01_rnd_06.txt, 01_rnd_07.txt, 01_rnd_08.txt, 01_rnd_09.txt, 01_rnd_10.txt, 02_rndmax_01.txt, 02_rndmax_02.txt, 02_rndmax_03.txt, 02_rndmax_04.txt, 02_rndmax_05.txt, 02_rndmax_06.txt, 02_rndmax_07.txt, 02_rndmax_08.txt, 02_rndmax_09.txt, 02_rndmax_10.txt, 03_mini_01.txt, 03_mini_02.txt, 03_mini_03.txt, 03_mini_04.txt, 03_mini_05.txt, 04_samemax_01.txt, 04_samemax_02.txt, 04_samemax_03.txt, 04_samemax_04.txt, 04_samemax_05.txt
Case Name Status Exec Time Memory
00_sample_01.txt AC 22 ms 788 KB
00_sample_02.txt AC 23 ms 784 KB
01_rnd_01.txt AC 22 ms 800 KB
01_rnd_02.txt AC 22 ms 788 KB
01_rnd_03.txt AC 24 ms 824 KB
01_rnd_04.txt AC 23 ms 788 KB
01_rnd_05.txt AC 22 ms 796 KB
01_rnd_06.txt AC 22 ms 788 KB
01_rnd_07.txt AC 22 ms 800 KB
01_rnd_08.txt AC 22 ms 796 KB
01_rnd_09.txt AC 22 ms 760 KB
01_rnd_10.txt AC 22 ms 788 KB
02_rndmax_01.txt AC 22 ms 784 KB
02_rndmax_02.txt AC 22 ms 784 KB
02_rndmax_03.txt AC 22 ms 792 KB
02_rndmax_04.txt AC 22 ms 788 KB
02_rndmax_05.txt AC 23 ms 792 KB
02_rndmax_06.txt AC 21 ms 812 KB
02_rndmax_07.txt AC 22 ms 792 KB
02_rndmax_08.txt AC 23 ms 792 KB
02_rndmax_09.txt AC 22 ms 788 KB
02_rndmax_10.txt AC 22 ms 796 KB
03_mini_01.txt AC 22 ms 788 KB
03_mini_02.txt AC 21 ms 812 KB
03_mini_03.txt AC 22 ms 816 KB
03_mini_04.txt AC 23 ms 780 KB
03_mini_05.txt AC 23 ms 792 KB
04_samemax_01.txt AC 22 ms 788 KB
04_samemax_02.txt AC 23 ms 788 KB
04_samemax_03.txt AC 22 ms 792 KB
04_samemax_04.txt AC 21 ms 788 KB
04_samemax_05.txt AC 23 ms 788 KB