Compilare: user.cpp: In function ‘int getInt()’: user.cpp:34:16: warning: statement has no effect [-Wunused-value] for (cursor; !isdigit(buf[cursor]); adv()); ^ user.cpp:36:16: warning: statement has no effect [-Wunused-value] for (cursor; isdigit(buf[cursor]); adv()) ^ user.cpp: In function ‘void solve()’: user.cpp:62:15: warning: statement has no effect [-Wunused-value] for (j; j <= v && ves[j].y >= hes[i].y; j++) ^ user.cpp: In function ‘void adv()’: user.cpp:28:34: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buf, DIM, 1, stdin); ^ user.cpp: In function ‘int main()’: user.cpp:74:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("hvrays.in", "r", stdin); ^ user.cpp:75:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("hvrays.out", "w", stdout); ^ user.cpp:76:30: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buf, DIM, 1, stdin); ^