import java.util.*;
import java.lang.*;
import java.io.*;
import java.math.*;
class Ideone
{
{
// サイコロ振り50回の1が出るの回数の統計?
for (int i = 0; i <= 50; i++) {
for (int k = 0; k <= 50; k++)
}
for (int i = 0; i < 50; i++) {
for (int k = 0; k < 50; k++) {
dp[i+1][k+1] = dp[i+1][k+1].add(dp[i][k]);
dp
[i
+1][k
] = dp
[i
+1][k
].
add(dp
[i
][k
].
multiply(BigInteger.
valueOf(5))); }
}
for (int i = 0; i <= 50; i++) {
sum
= sum.
add(BigInteger.
valueOf(i
).
multiply(result
[i
])); count = count.add(result[i]);
}
double average
= new BigDecimal(sum.
multiply(BigInteger.
valueOf(10000)).
divide(count
),
4).
doubleValue();
for (int i = 0; i <= 50; i++) {
}
for (int i
= (int)Math.
round(average
-sd
); i
<= (int)Math.
round(average
+sd
); i
++) { sum = sum.add(result[i]);
}
double avgsdRate
= new BigDecimal(sum.
multiply(BigInteger.
valueOf(10000)).
divide(count
),
4).
doubleValue();
for (int i
= (int)Math.
round(average
-sd
*2); i
<= (int)Math.
round(average
+sd
*2); i
++) { sum = sum.add(result[i]);
}
double avg2sdRate
= new BigDecimal(sum.
multiply(BigInteger.
valueOf(10000)).
divide(count
),
4).
doubleValue();
System.
out.
println("count = " + count
); System.
out.
println("average = " + average
); System.
out.
println("sd = " + sd
); System.
out.
println("(avg-sd,avg+sd) = (" + (average
-sd
) + ", " + (average
+sd
)+")"); System.
out.
println("avg-sd-rate = " + avgsdRate
); System.
out.
println("(avg-2*sd,avg+2*sd) = (" + (average
-sd
*2) + ", " + (average
+sd
*2)+")"); System.
out.
println("avg-2sd-rate = " + avg2sdRate
); }
}
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