Compilare: main.cpp: In function 'int main()': main.cpp:25:37: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'char*' [-Wformat=] fscanf (fin, "%d", &mat[i][j] ) ; ^ main.cpp:22:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin ,"%d%d", &n, &m ) ; ^ main.cpp:25:39: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &mat[i][j] ) ; ^ main.cpp:47:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &q ) ; ^ main.cpp:49:35: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &l, &c ) ; ^