题解 | #[NOIP2015]金币#
[NOIP2015]金币
http://www.nowcoder.com/practice/8f71f5670e6a45118d24d13868a2da9e
K = int(input()) sum_K, count = 0, 1 for i in range(1, K + 1): for j in range(1, i + 1): if count > K: break sum_K += i count += 1 print(sum_K)
[NOIP2015]金币
http://www.nowcoder.com/practice/8f71f5670e6a45118d24d13868a2da9e
K = int(input()) sum_K, count = 0, 1 for i in range(1, K + 1): for j in range(1, i + 1): if count > K: break sum_K += i count += 1 print(sum_K)
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