Compilare: main.cpp: In function 'void solve()': main.cpp:17:45: warning: format '%s' expects argument of type 'char*', but argument 6 has type 'char (*)[1048578]' [-Wformat=] fscanf(fin, "%d%d%d\n%s\n", &N, &M, &L, &s); ^ main.cpp:40:27: warning: format '%s' expects argument of type 'char*', but argument 3 has type 'char (*)[1048578]' [-Wformat=] fscanf(fin, "%s\n", &s); ^ main.cpp:17:46: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d\n%s\n", &N, &M, &L, &s); ^ main.cpp:40:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%s\n", &s); ^