acerc.cpp:15: error: expected constructor, destructor, or type conversion before '<' token acerc.cpp:16: error: expected constructor, destructor, or type conversion before '<' token acerc.cpp:17: error: expected constructor, destructor, or type conversion before '<' token acerc.cpp: In function 'int main()': acerc.cpp:63: error: '_plus' was not declared in this scope acerc.cpp:64: error: '_minus' was not declared in this scope acerc.cpp:72: error: '_plus' was not declared in this scope acerc.cpp:73: error: '_minus' was not declared in this scope acerc.cpp:79: error: '_plus' was not declared in this scope acerc.cpp:84: error: '_plus' was not declared in this scope acerc.cpp:84: error: 'begin' was not declared in this scope acerc.cpp:84: error: 'end' was not declared in this scope acerc.cpp:85: error: '_minus' was not declared in this scope acerc.cpp:94: error: 's' was not declared in this scope acerc.cpp:99: error: 's' was not declared in this scope acerc.cpp:100: warning: 'auto' will change meaning in C++0x; please remove it acerc.cpp:100: error: expected initializer before ':' token acerc.cpp:102: error: expected primary-expression before 'return' acerc.cpp:102: error: expected ';' before 'return' acerc.cpp:102: error: expected primary-expression before 'return' acerc.cpp:102: error: expected ')' before 'return' acerc.cpp:46: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result acerc.cpp:47: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result acerc.cpp:49: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result acerc.cpp:56: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result