Compilare: main.cpp: In function 'int main()': main.cpp:34:34: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[20000]' [-Wformat=] scanf("%s\n%s", &pattern, &text); ^ main.cpp:34:34: warning: format '%s' expects argument of type 'char*', but argument 3 has type 'char (*)[20000]' [-Wformat=] main.cpp:55:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=0;i<nr;++i) ^~~ main.cpp:57:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' return 0; ^~~~~~ main.cpp:32:38: 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:34:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n%s", &pattern, &text); ^