Compilare: main.cpp: In function 'int main()': main.cpp:84:34: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=] printf("%d", v.size()); ^ main.cpp:99:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v.size(); ++i){ ~~^~~~~~~~~~ main.cpp:112:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < b.size(); ++i){ ~~^~~~~~~~~~ main.cpp:117:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v.size(); ++i){ ~~^~~~~~~~~~ main.cpp:118:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < b.size(); ++j){ ~~^~~~~~~~~~ main.cpp:153:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v.size(); ++i){ ~~^~~~~~~~~~ main.cpp:181:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v.size(); ++i){ ~~^~~~~~~~~~ main.cpp:182:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < b.size(); ++j){ ~~^~~~~~~~~~ main.cpp:189:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < b.size(); ++i){ ~~^~~~~~~~~~ main.cpp: In function 'void read(int&)': main.cpp:20:61: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] if(++poz == DIM) fread(buff, 1, DIM, stdin), poz = 0; ^ main.cpp:24:61: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] if(++poz == DIM) fread(buff, 1, DIM, stdin), poz = 0; ^ main.cpp: In function 'int main()': main.cpp:38:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("aproape.in", "r", stdin); ^ main.cpp:39:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("aproape.out", "w", stdout); ^