Compilare: main.cpp: In function 'int main()': main.cpp:38:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen(InputFile, "rt", stdin); ^ main.cpp:39:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen(OutputFile, "wt", stdout); ^ main.cpp: In function 'void ReadInputData()': main.cpp:154:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &squaresize); //squaresize = NextInt(); ^ main.cpp:157:47: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &square[line][column]); // square[line][column] = NextInt(); ^ main.cpp:161:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &patternssize); //patternssize = NextInt(); ^ main.cpp:164:48: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &pattern[line][column]); // pattern[line][column] = NextInt(); ^