Cody

# Problem 1672. Leftovers? Again?!

Solution 275853

Submitted on 8 Jul 2013 by Paul Berglund
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### Test Suite

Test Status Code Input and Output
1   Pass
!cp leftovers.m safe !rm *.* !mv safe leftovers.m !rm @* % Clean user's function from some known jailbreaking mechanisms fid = fopen('leftovers.m'); st = regexprep(char(fread(fid)'), '!', 'error(''No shell commands!''); %'); st = regexprep(st, 'feval', 'error(''No fancy functions!''); %'); st = regexprep(st, 'str2func', 'error(''No fancy functions!''); %'); st = regexprep(st, 'regex', 'error(''No fancy functions!''); %'); st = regexprep(st, 'system', 'error(''No shell commands!''); %'); st = regexprep(st, 'dos', 'error(''No shell commands!''); %'); st = regexprep(st, 'unix', 'error(''No shell commands!''); %'); st = regexprep(st, 'perl', 'error(''No external languages commands!''); %'); st = regexprep(st, 'java', 'error(''No external languages commands!''); %'); st = regexprep(st, 'assert', 'error(''No overwriting!''); %'); fclose(fid) fid = fopen('leftovers.m' , 'w'); fwrite(fid,st); fclose(fid)
```rm: cannot remove `@*': No such file or directory ans = 0 ans = 0 ```
2   Pass
%% V1 = [2 3] ; V2 = [1 2];; y_correct = 5; assert(isequal(leftovers(V1,V2),y_correct))
``` ```
3   Pass
%% V1=[3 5 7] ; V2=[1 2 3]; y_correct = 52; assert(isequal(leftovers(V1,V2),y_correct))
``` ```
4   Pass
%% V1=[3 4 5] ; V2=[2 3 1]; y_correct = 11; assert(isequal(leftovers(V1,V2),y_correct))
``` ```
5   Pass
%% V1=[4 9 25] ; V2=[3 2 7]; y_correct = 407; assert(isequal(leftovers(V1,V2),y_correct))
``` ```
6   Pass
%% V1=[9 10 77] ; V2=[1 2 69]; y_correct = 6922; assert(isequal(leftovers(V1,V2),y_correct))
``` ```
7   Pass
%% a=primes(30); b=ceil(8*rand()+2) V1=a(1:b);V2=1:b; y_correct=[23 53 1523 29243 299513 4383593 188677703 5765999453]; assert(isequal(leftovers(V1,V2),y_correct(b-2)))
``` b = 4 ```
8   Pass
%% V1=[leftovers([6 35],[3 9]) leftovers([3 5 7],[1 3 1])]; assert(isequal(leftovers(V1,V1-8),379))
``` ```
9   Pass
%% % Discourage the for x=1:inf loops V1=[74 93 145 161 209 221]; V2=[66 85 137 153 201 213]; y_correct=7420738134802; assert(isequal(leftovers(V1,V2),y_correct))
``` ```
10   Pass
%% % Discourage the for x=1:inf loops V1=[17 82 111 155 203 247 253] ; V2=[11 50 68 95 124 150 154]; y_correct=59652745309190; assert(isequal(leftovers(V1,V2),y_correct))
``` ```