Compilare: main.cpp: In function 'int main()': main.cpp:69:41: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=] printf("\n%d ", mutari[i].size()); ^ main.cpp:70:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0; j<mutari[i].size(); j++) ~^~~~~~~~~~~~~~~~~ main.cpp:15:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] { freopen("shiftright.in", "r",stdin); ^ main.cpp:16:42: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("shiftright.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", s1); ^ main.cpp:19:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s", s2); ^