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视频链接:https://www.bilibili.com/video/BV1ZK41127tu/ Luogu P1450 [HAOI2008] 硬币购物 #include <iostream> #include <cstring> #include <algorithm> using namesp 阅读全文
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视频链接:https://www.bilibili.com/video/BV1S8411h77u/ #include <iostream> #include <cstring> #include <algorithm> using namespace std; typedef long long L 阅读全文
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视频链接:https://www.bilibili.com/video/BV1ge4y177mb/ Luogu P1771 方程的解 #include <iostream> #include <cstring> #include <algorithm> using namespace std; co 阅读全文
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视频链接:https://www.bilibili.com/video/BV16R4y1X7Fg/ #include <iostream> #include <cstring> #include <algorithm> using namespace std; const int N = 10010 阅读全文
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视频链接:https://www.bilibili.com/video/BV1Jd4y127oY/ Luogu P3807 【模板】卢卡斯定理/Lucas 定理 #include <iostream> using namespace std; typedef long long LL; const 阅读全文
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视频链接:https://www.bilibili.com/video/BV1Gg41187To/ #include <iostream> using namespace std; typedef long long LL; const int N=100010, P=1e9+7; LL f[N], 阅读全文
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视频链接:https://www.bilibili.com/video/BV1BG41177Ff/ #include <iostream> using namespace std; const int N=2010, P=1e9+7; int C[N][N]; void init(){ for(in 阅读全文
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视频链接:G24 矩阵求逆 高斯约旦消元法_哔哩哔哩_bilibili Luogu P4783 【模板】矩阵求逆 #include<iostream> #include<cstdio> #include<cmath> #define LL long long using namespace std; 阅读全文
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视频链接:G23 线性方程组 高斯消元法_哔哩哔哩_bilibili Luogu P3389 【模板】高斯消元法 #include <iostream> #include <algorithm> #include <cmath> using namespace std; const int N = 阅读全文
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视频链接:https://www.bilibili.com/video/BV1GR4y1X7Mc/ Luogu P4195 【模板】扩展 BSGS/exBSGS #include <iostream> #include <cstring> #include <algorithm> #include 阅读全文