Solutions/Fanta's Solution PKU 1844, Sum. AC 지환태 2008. 9. 23. 16:43 #include <stdio.h> int i,in,sum; int main() { do { scanf("%d",&in); }while(in<=0 || in>100000); for(i=sum=0;;i++) { sum+=i; if(sum>=in && (sum-in)%2==0) { printf("%d\n",i); break; } } } Run ID User Problem Result Memory Time Language Code Length Submit Time 4114901 jht009 1844 Accepted 204K 0MS C 296B 2008-09-23 15:25:49매트릭스 포기해도 되나요????????????????????????????????헣헣헣GG