| cacheBLU | Data.BinaryLifting |
| cacheBLV | Data.BinaryLifting |
| canUnifyPUF | Data.UnionFind.Potencial |
| capacityDIS | Data.DenseIntSet |
| CapacityMCF | Data.Graph.MinCostFlow |
| capacityPool | Data.Pool |
| capacityRSS | Data.SplaySeq.Raw |
| capacitySM | Data.SplayMap |
| capacitySS | Data.SplaySeq |
| captureRSS | Data.SplaySeq.Raw |
| ceil2 | Math.BitSet |
| char' | ToyLib.Parser, ToyLib.Contest.Prelude |
| chmaxACC | Data.SegmentTree.Beats.SumMinMax |
| chminACC | Data.SegmentTree.Beats.SumMinMax |
| chunksOfG | Data.Vector.Extra, ToyLib.Contest.Bisect |
| clearBH | Data.BinaryHeap |
| clearBuffer | Data.Buffer |
| clearDSF | Data.Slide |
| clearHM | Data.DenseHashMap |
| clearMSV | Data.MultiSetVec |
| clearMUF | Data.UnionFind.Mutable |
| clearPool | Data.Pool |
| clearPUF | Data.UnionFind.Potencial |
| clearSM | Data.SplayMap |
| clearSSF | Data.Slide |
| cloneBuffer | Data.Buffer |
| cloneIV | Data.Vector.IxVector, ToyLib.Contest.Grid |
| Col | Math.Matrix |
| collectMST | Data.Graph.Sparse, ToyLib.Contest.Graph, ToyLib.Contest.Tree |
| combs | ToyLib.Prelude, ToyLib.Contest.Prelude |
| compareSL | Data.SizedList |
| compareVia | Data.BinaryHeap |
| componentInfoDI | Data.Graph.Sparse, ToyLib.Contest.Graph, ToyLib.Contest.Tree |
| componentsSG | Data.Graph.Sparse, ToyLib.Contest.Graph, ToyLib.Contest.Tree |
| compressInvNumG | Data.Vector.InvNum |
| compressU | Data.Vector.Extra, ToyLib.Contest.Bisect |
| concatBSB | ToyLib.ShowBSB, ToyLib.Contest.Prelude |
| concatHS | Data.RollingHash |
| consHS | Data.RollingHash |
| consSL | Data.SizedList |
| constructFor | ToyLib.DP |
| constructIV | Data.Vector.IxVector, ToyLib.Contest.Grid |
| constructMIV | Data.Vector.IxVector, ToyLib.Contest.Grid |
| constructMN | Data.Vector.Extra, ToyLib.Contest.Bisect |
| constructrMN | Data.Vector.Extra, ToyLib.Contest.Bisect |
| containsIM | Data.IntervalMap |
| containsIS | Data.IntervalSet |
| convertBase | Math.Digits |
| convolute64 | Math.NTT |
| convoluteMod | Math.NTT |
| CostMCF | Data.Graph.MinCostFlow |
| countMSV | Data.MultiSetVec |
| countUniqueSubstrings | Data.ByteString.SuffixArray |
| createBuffer | Data.Buffer |
| createIV | Data.Vector.IxVector, ToyLib.Contest.Grid |
| csum1D | Data.Vector.CSum, ToyLib.Contest.Prelude |
| csum2D | Data.Vector.IxVector, ToyLib.Contest.Grid |
| csumBV | Data.WaveletMatrix.BitVector |
| csumInPlaceBV | Data.WaveletMatrix.BitVector |