Compilare: main.cpp: In function 'int main()': main.cpp:18:19: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[1000100]' [-Wformat=] scanf("%s", &s); ^ main.cpp:21:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<strlen(s); i++) ~^~~~~~~~~~ main.cpp:30:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=2; i<t.size()-1; i++) ~^~~~~~~~~~~ main.cpp:45:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=2; i<t.size()-1; i++) ~^~~~~~~~~~~ main.cpp:58:19: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[1000100]' [-Wformat=] scanf("%s", &s); ^ main.cpp:65:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<strlen(s); i++) ~^~~~~~~~~~ main.cpp:73:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=2; i<t.size()-1; i++) ~^~~~~~~~~~~ main.cpp:86:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=2; i<t.size()-1; i++) ~^~~~~~~~~~~ main.cpp:100:21: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=] printf("%d", sol); ^ main.cpp:16:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("unicat.in", "r", stdin); ^ main.cpp:17:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("unicat.out", "w", stdout); ^ main.cpp:18:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s", &s); ^ main.cpp:58:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s", &s); ^