Compilare: main.cpp: In function 'int main()': main.cpp:19:43: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] int n, m; fscanf(in, "%d %d ", &n, &m); ^ main.cpp:22:42: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d ", &stramos[i][0]); ^ main.cpp:32:47: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] int q, p; fscanf(in, "%d %d ", &q, &p); ^