0_0_4123423_28522.cpp: In function `int main()':
0_0_4123423_28522.cpp:63: error: `wall' undeclared (first use this function)
0_0_4123423_28522.cpp:63: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4123423_28522.cpp:66: error: continue statement not within a loop
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