Compilare: main.cpp: In function 'void read(int, int)': main.cpp:18:56: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d ", &poza[i][j]) ; ^ main.cpp: In function 'void solve()': main.cpp:71:44: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d %d %d", &n, &m, &k) ; ^ main.cpp: In function 'int main()': main.cpp:79:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &tests) ; ^