Borderou de evaluare (job #627962)

Compilare: main.c: In function 'main': main.c:12:5: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result] 12 | fscanf(fin,"%d%d%d%d",&m,&n,&p,&q); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:16:13: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result] 16 | fscanf(fin,"%d",&mat[lin][col]); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:29:20: warning: 'sum' may be used uninitialized in this function [-Wmaybe-uninitialized] 29 | sum-=mat[i][col]; | ~~~^~~~~~~~~~~~~