Compilare: user.cpp: In function ‘int main()’: user.cpp:51:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i<= n; ++i) citeste(v[i]);//scanf("%d", &v[i]); ^ user.cpp:52:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i<= n; ++i) ^ user.cpp:54:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = i+1; j<= n; ++j) ^ user.cpp:63:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i<= n; ++i) ^ user.cpp:65:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = i+1; j<= n; ++j) ^ user.cpp:71:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(dsp[poz][k].val == sum - v[i] - v[j]) ^ user.cpp: In function ‘void citeste(unsigned int&)’: user.cpp:29:39: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, DIM, stdin); ^ user.cpp:39:39: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, DIM, stdin); ^ user.cpp: In function ‘int main()’: user.cpp:46:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("oite.in", "r", stdin); ^ user.cpp:47:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("oite.out", "w", stdout); ^