Compilare: main.cpp: In function 'int main()': main.cpp:19:31: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'bool*' [-Wformat=] fscanf(fin, "%d", &a[i][j]); ^ main.cpp:42:8: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(col[i2][j] == col[i1][j] + (i2-i1)) ^ main.cpp:16:29: 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:19:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &a[i][j]); ^