Submission #2828

#TimeUsernameProblemLanguageResultExecution timeMemory
28286590f1다각형 (GA5_polygon)C++98
0 / 100
0 ms1088 KiB
#include <stdio.h> int main () { int a,b,sum=0; scanf("%d %d",&a,&b); a=a-a%2; b=b-b%2; sum=(b/2)*(b/2+1)-(a/2)*(a/2+1); printf("%d",sum); return 0; }
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