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Final_Sum.cpp
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Final_Sum.cpp
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// हर हर महादेव
#define F first
#define S second
#define dbl double
using namespace std;
#define pb push_back
#define vin(name, size) \
for (i = 0; i < size; i++) \
cin >> name[i]
#define vout(name) \
for (i = 0; i < name.size(); i++) \
cout << name[i] << " "; \
cout << endl
#include <bits/stdc++.h>
#define ll long long int
#define all(x) x.begin(), x.end()
#define Pi 3.1415926535897932384626
#define part(x, a, b) x.begin() + a, x.begin() + b
#define deb(v) cout << #v << " " << v << "\n"
#define deb2(v, k) cout << #v << " " << v << "\n" \
<< #k << " " << k << "\n"
ll power(ll a, ll b)
{
ll res = 1;
for (ll i = 1; i <= b; i++)
res *= a;
return res;
}
void HHM()
{
ll i, j, k;
ll n;
cin >> n >> k;
vector<ll> v;
ll sm = 0;
for (i = 0; i < n; i++)
{
ll d;
cin >> d;
sm += d;
}
while (k--)
{
ll l, r;
cin >> l >> r;
if ((r - l + 1) % 2)
sm++;
}
cout << sm << "\n";
return;
}
int main()
{
ios_base::sync_with_stdio(0), cin.tie(0);
ll t = 1;
cin >> t;
for (ll i = 1; i <= t; i++)
{
// cout << "Case #" <<i<< ": ";
HHM();
}
}
// freopen("input.txt", "r", stdin);
// freopen("output.txt", "w", stdout);