Borderou de evaluare (job #814782)

Compilare: main.c: In function 'main': main.c:2:89: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result] 2 | int main(){FILE *fin, *fout;int n,a,m=0,i,ca,z,cif=1;fin=fopen ("maxconcat.in", "r");fscanf (fin, "%d%d",&n,&ca);for(i=1;i<n;i++){fscanf(fin,"%d",&a);z=a;if(a==0)cif=10;else{while(a){cif=cif*10;a/=10;}}a=z;ca=ca*cif+a;if(ca>m)m=ca;ca=a;cif=1;}fclose(fin);fout=fopen("maxconcat.out","w");fprintf(fout,"%d",m);fclose(fout);return 0;} | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:2:134: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result] 2 | int main(){FILE *fin, *fout;int n,a,m=0,i,ca,z,cif=1;fin=fopen ("maxconcat.in", "r");fscanf (fin, "%d%d",&n,&ca);for(i=1;i<n;i++){fscanf(fin,"%d",&a);z=a;if(a==0)cif=10;else{while(a){cif=cif*10;a/=10;}}a=z;ca=ca*cif+a;if(ca>m)m=ca;ca=a;cif=1;}fclose(fin);fout=fopen("maxconcat.out","w");fprintf(fout,"%d",m);fclose(fout);return 0;} | ^~~~~~~~~~~~~~~~~~~