Cody

# Problem 1260. RISK board game battle simulation

Solution 538780

Submitted on 1 Dec 2014 by Rafay
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### Test Suite

Test Status Code Input and Output
1   Pass
%% a = 3; d = 0; y_correct = 1.000; assert(abs(risk_prob(a, d) - y_correct) <= 0.01)

2   Pass
%% a = 1; d = 5; y_correct = 0.000; assert(abs(risk_prob(a, d) - y_correct) <= 0.01)

y = 0

3   Pass
%% a = 5; d = 3; y_correct = 0.642; assert(abs(risk_prob(a, d) - y_correct) <= 0.02)

y = 0.6416

4   Pass
%% a = 4; d = 6; y_correct = 0.134; assert(abs(risk_prob(a, d) - y_correct) <= 0.02)

y = 0.1337

5   Pass
%% a = 10; d = 10; y_correct = 0.480; assert(abs(risk_prob(a, d) - y_correct) <= 0.02)

y = 0.4799

6   Pass
%% a = 7; d = 8; y_correct = 0.329; assert(abs(risk_prob(a, d) - y_correct) <= 0.02)

y = 0.3295

7   Pass
%% a = 8; d = 7; y_correct = 0.5355; assert(abs(risk_prob(a, d) - y_correct) <= 0.02)

y = 0.5355

8   Pass
%% a = 20; d = 10; y_correct = 0.965; assert(abs(risk_prob(a, d) - y_correct) <= 0.02)

y = 0.9650

9   Pass
%% a = 4; d = 2; y_correct = 0.656; assert(abs(risk_prob(a, d) - y_correct) <= 0.02)

y = 0.6559

10   Pass
%% a = 6; d = 4; y_correct = 0.638; assert(abs(risk_prob(a, d) - y_correct) <= 0.02)

y = 0.6383

11   Pass
%% a = 2; d = 1; y_correct = 0.417; assert(abs(risk_prob(a, d) - y_correct) <= 0.02)

y = 0.4166

12   Pass
%% a = 2; d = 2; y_correct = 0.104; assert(abs(risk_prob(a, d) - y_correct) <= 0.02)

y = 0.1061