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其实基本不需要用long long或_int64，包括扩展gcd计算都用int都OK，只有最后一步有个乘法可能会溢出，需要先转成long long，求余后即可转回int像这样： int t = ((int)(((long long)t0 * d0) % L) + L) % L; Followed by: Post your reply here: |
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