Compilare: main.cpp: In function 'char GetChar()': main.cpp:12:37: 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, BUFF_SIZE, stdin); ^ main.cpp: In function 'int main()': main.cpp:51:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] int n, q; scanf("%d%d", &n, &q); ^ main.cpp:56:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &triang_min[i][j]); ^ main.cpp:63:45: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] int l, x, y; scanf("%d%d%d", &l, &x, &y); ^