#include <bits/stdc++.h>
using namespace std;

#define REP(i, a, b) for(register int i = a; i < b; i++)
#define rep(i, b) REP(i, 0, b)
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define test(t) int t; cin >> t; while(t--)
#define debug(i) cout << #i << " = "<< i << endl;
#define Debug(i, j) cout << #i << " = " << i << ", "; debug (j)
#define ll long long
#define pb push_back
#define vi vector<int>
#define vll vector<ll>
#define vvi vector<vi>
#define vvll vector<vll>
#define mod 1000000007
#define sz(x) int(x.size())

int main() {
  fast;

  int b, s, c;
  test (T) {
    cin >> b >> s >> c;
    cout << abs(c - b - s) << endl;
  }
  return 0;
}