Set proper size in reserve

Author: fgrosa

PWGHF/HFC/TableProducer/producerCharmHadronsTrackFemtoDream.cxx

@@ -622,11 +622,11 @@ struct HfProducerCharmHadronsTrackFemtoDream {
     bool isSelectedMlDstarToD0Pi = true;
 
     if constexpr (Channel == DecayChannel::DplusToPiKPi || Channel == DecayChannel::LcToPKPi) {
-      rowCandCharm3Prong.reserve(candidates.size());
+      rowCandCharm3Prong.reserve(rowCandCharm3Prong.lastIndex() + sizeCand + 1);
     } else if constexpr (Channel == DecayChannel::D0ToPiK) {
-      rowCandCharm2Prong.reserve(candidates.size());
+      rowCandCharm2Prong.reserve(rowCandCharm2Prong.lastIndex() + sizeCand + 1);
     } else if constexpr (Channel == DecayChannel::DstarToD0Pi) {
-      rowCandCharmDstar.reserve(candidates.size());
+      rowCandCharmDstar.reserve(rowCandCharmDstar.lastIndex() + sizeCand + 1);
     }
 
     for (const auto& candidate : candidates) {

PWGHF/HFC/TableProducer/producerCharmHadronsV0FemtoDream.cxx

@@ -1124,7 +1124,7 @@ struct HfProducerCharmHadronsV0FemtoDream {
   void fillCharmHadMcGen(ParticleType particles)
   {
     // Filling particle properties
-    rowCandCharmHadGen.reserve(particles.size());
+    rowCandCharmHadGen.reserve(rowCandCharmHadGen.lastIndex() + particles.size() + 1);
     if constexpr (Channel == DecayChannel::DplusToPiKPi) {
       for (const auto& particle : particles) {
         if (std::abs(particle.flagMcMatchGen()) == hf_decay::hf_cand_3prong::DecayChannelMain::DplusToPiKPi) {