Borderou de evaluare (job #848836)

Compilare: main.c: In function 'main': main.c:21:5: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result] 21 | fscanf(fin,"%d",&n); | ^~~~~~~~~~~~~~~~~~~ main.c:41:16: warning: 'len3' may be used uninitialized [-Wmaybe-uninitialized] 41 | for (i = len3-1; i >= 0; i--) | ~~^~~~~~~~ main.c:20:24: note: 'len3' was declared here 20 | int n, len1, len2, len3, i, j; | ^~~~