Borderou de evaluare (job #710974)

Compilare: main.c: In function 'main': main.c:5:151: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result] 5 | int o[MAXN+1], v[MAXN+1]; int x[MAXN+1], y[MAXN+1]; int main() { FILE *fin, *fout; fin=fopen("tdrept.in", "r"); fout=fopen("tdrept.out", "w"); int n; fscanf(fin, "%d", &n); int i; for(i=0; i<n; i++) { fscanf(fin, "%d%d", &x[i], &y[i]); v[x[i]]++; o[y[i]]++; } unsigned int nrtri; nrtri=0; for(i=0; i<n; i++) { nrtri+=((v[x[i]]-1)*(o[y[i]]-1)); if(nrtri>MOD) nrtri-=MOD; } fprintf(fout, "%u", nrtri); fclose(fin); fclose(fout); return 0; } | ^~~~~~~~~~~~~~~~~~~~~ main.c:5:202: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result] 5 | int o[MAXN+1], v[MAXN+1]; int x[MAXN+1], y[MAXN+1]; int main() { FILE *fin, *fout; fin=fopen("tdrept.in", "r"); fout=fopen("tdrept.out", "w"); int n; fscanf(fin, "%d", &n); int i; for(i=0; i<n; i++) { fscanf(fin, "%d%d", &x[i], &y[i]); v[x[i]]++; o[y[i]]++; } unsigned int nrtri; nrtri=0; for(i=0; i<n; i++) { nrtri+=((v[x[i]]-1)*(o[y[i]]-1)); if(nrtri>MOD) nrtri-=MOD; } fprintf(fout, "%u", nrtri); fclose(fin); fclose(fout); return 0; } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~