| umod | AtCoder.Internal.Barrett |
| unAffine1 | AtCoder.Extra.Monoid.Affine1 |
| undefIndex | AtCoder.Extra.Pool |
| unHandle | AtCoder.Extra.Pool, AtCoder.Extra.DynSparseSegTree, AtCoder.Extra.Seq |
| unIndex | AtCoder.Extra.Pool, AtCoder.Extra.DynSparseSegTree.Raw, AtCoder.Extra.DynSparseSegTree.Persistent, AtCoder.Extra.DynSegTree.Raw, AtCoder.Extra.DynSegTree.Persistent, AtCoder.Extra.DynSegTree, AtCoder.Extra.DynLazySegTree.Raw, AtCoder.Extra.DynLazySegTree.Persistent, AtCoder.Extra.DynLazySegTree |
| unMat2x2 | AtCoder.Extra.Monoid.Mat2x2 |
| unModInt | AtCoder.ModInt |
| unPermutation | AtCoder.Extra.Semigroup.Permutation |
| unRangeAdd | AtCoder.Extra.Monoid.RangeAdd |
| unRangeSet | AtCoder.Extra.Monoid.RangeSet |
| unsafeAnswer | AtCoder.TwoSat |
| unsafeAssocs | |
| 1 (Function) | AtCoder.Extra.HashMap |
| 2 (Function) | AtCoder.Extra.MultiSet |
| unsafeDiff | AtCoder.Extra.Pdsu |
| unsafeEdges | AtCoder.MinCostFlow |
| unsafeElems | |
| 1 (Function) | AtCoder.Extra.HashMap |
| 2 (Function) | AtCoder.Extra.MultiSet |
| unsafeFreeze | |
| 1 (Function) | AtCoder.Internal.Buffer |
| 2 (Function) | AtCoder.Internal.GrowVec |
| 3 (Function) | AtCoder.Internal.Queue |
| 4 (Function) | AtCoder.LazySegTree |
| 5 (Function) | AtCoder.SegTree |
| unsafeIKthLargestIn | AtCoder.Extra.WaveletMatrix.Raw |
| unsafeIKthSmallestIn | AtCoder.Extra.WaveletMatrix.Raw |
| unsafeKeys | |
| 1 (Function) | AtCoder.Extra.HashMap |
| 2 (Function) | AtCoder.Extra.MultiSet |
| unsafeKthLargestIn | AtCoder.Extra.WaveletMatrix.Raw |
| unsafeKthSmallestIn | AtCoder.Extra.WaveletMatrix.Raw |
| unsafeNew | |
| 1 (Function) | AtCoder.Extra.Monoid.RollingHash |
| 2 (Function) | AtCoder.Extra.Semigroup.Permutation |
| 3 (Function) | AtCoder.ModInt |
| unV2 | AtCoder.Extra.Monoid.V2 |
| updateNodeST | AtCoder.Extra.Seq.Raw |
| upperBound | AtCoder.Extra.Bisect |
| upperBoundIn | AtCoder.Extra.Bisect |