0_0_32774162_31368.cpp: In constructor 'BigNum::BigNum()':
0_0_32774162_31368.cpp:18:25: error: 'memset' was not declared in this scope
memset(a, 0, sizeof(a));
^
0_0_32774162_31368.cpp: In constructor 'BigNum::BigNum(int)':
0_0_32774162_31368.cpp:44:24: error: 'memset' was not declared in this scope
memset(a, 0, sizeof(a));
^
0_0_32774162_31368.cpp: In constructor 'BigNum::BigNum(const char*)':
0_0_32774162_31368.cpp:56:24: error: 'memset' was not declared in this scope
memset(a, 0, sizeof(a));
^
0_0_32774162_31368.cpp:57:14: error: 'strlen' was not declared in this scope
l = strlen(s);
^
0_0_32774162_31368.cpp: In copy constructor 'BigNum::BigNum(const BigNum&)':
0_0_32774162_31368.cpp:76:24: error: 'memset' was not declared in this scope
memset(a, 0, sizeof(a));
^
0_0_32774162_31368.cpp: In member function 'BigNum& BigNum::operator=(const BigNum&)':
0_0_32774162_31368.cpp:84:24: error: 'memset' was not declared in this scope
memset(a, 0, sizeof(a));
^
0_0_32774162_31368.cpp: In function 'std::istream& operator>>(std::istream&, BigNum&)':
0_0_32774162_31368.cpp:94:19: error: 'strlen' was not declared in this scope
int l = strlen(ch);
^
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