Compilare: main.cpp: In function 'int main()': main.cpp:11:23: warning: format '%[^ ' expects argument of type 'char*', but argument 2 has type 'char (*)[2000005]' [-Wformat=] scanf("%[^\n]", &a); ^ main.cpp:13:23: warning: format '%[^ ' expects argument of type 'char*', but argument 2 has type 'char (*)[2000005]' [-Wformat=] scanf("%[^\n]", &b); ^ main.cpp:9:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.in", "r", stdin); ^ main.cpp:10:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.out", "w", stdout); ^ main.cpp:11:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%[^\n]", &a); ^ main.cpp:12:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("\n"); ^ main.cpp:13:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%[^\n]", &b); ^