#include <stdio.h> #include <stdlib.h> #include <string.h> typedef struct Chain_Type{ int key; struct Chain_Type *nxt; }chain_t; int main() { chain_t *chain,*temp,*prev,*Head; int head=0,pairs=0,del=0,key_tmp=0,vlu_tmp=0,ind_tmp=0,tmp=0; scanf("%d %d ",&pairs,&hea...