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AcWing342 道路与航线（最短路+DAG） Codeforces Round #612题解 Codeforces Round #614 题解 简单背包问题 Codeforces Round #609 题解 AcWing 247. 亚特兰蒂斯 题解 Educational Codeforces Round 78 题解 Educational Codeforces Round 81 题解 Codeforces Round #604 题解 HDU3507 Print Article(经典斜率优化dp) CF1221D Make The Fence Great Again
AcWing342 道路与航线（最短路+DAG）
Codeforces Round #612题解
Codeforces Round #614 题解
简单背包问题
Codeforces Round #609 题解
AcWing 247. 亚特兰蒂斯 题解
Educational Codeforces Round 78 题解
Educational Codeforces Round 81 题解
Codeforces Round #604 题解
HDU3507 Print Article(经典斜率优化dp)
CF1221D Make The Fence Great Again