# UVA Solution 459 – Graph Connectivity – Solution in C,C++

### UVA Solution 459 – Graph Connectivity – Solution in C,C++

UVA Online Judge Solution 459 – Graph Connectivity | Volume 4
UVA Problem Link -459 – Graph Connectivity

Problem Name: 459 – Graph Connectivity Solution
Problem Number : UVA – 459 – Graph Connectivity Code
Online Judge : UVA Online Judge Solution
Volume: 4
Solution Language : C plus plus

### UVA Solution 459 – Graph Connectivity Code in C/CPP:

`#include <stdio.h>int p, r;void init(int n) {    while(n >= 0) {        p[n] = n, r[n] = 1;        n--;    }}int find(int x) {    return p[x] == x ? x : (p[x]=find(p[x]));}int joint(int x, int y) {    x = find(x), y = find(y);    if(x != y) {        if(r[x] > r[y])            r[x] += r[y], p[y] = x;        else            r[y] += r[x], p[x] = y;        return 1;    }    return 0;}int main() {    int t;    char s;    scanf("%d ", &t);    while(t--) {        gets(s);        init(s-'A');        int ans = s-'A'+1;        while(gets(s)) {            if(s == '')                break;            ans -= joint(s-'A', s-'A');        }        printf("%dn", ans);        if(t)            puts("");    }    return 0;}`

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