3S5u8u - Online C++0x Compiler & Debugging Tool

/* AUTHOR: TUAN ANH - BUI */
// ~~ icebear ~~
#include <bits/stdc++.h>
using namespace std;
#define int long long
typedef long long ll;
typedef pair<int, int> ii;
typedef pair<int, ii> iii;

template<class X, class Y>
    bool minimize(X &x, const Y &y) {
        if (x > y) return x = y, true;
        return false;
    }

template<class X, class Y>
    bool maximize(X &x, const Y &y) {
        if (x < y) return x = y, true;
        return false;
    }

#define FOR(i,a,b) for(int i=(a); i<=(b); ++i)
#define FORR(i,a,b) for(int i=(a); i>=(b); --i)
#define REP(i, n) for(int i=0; i<(n); ++i)
#define RED(i, n) for(int i=(n)-1; i>=0; --i)
#define MASK(i) (1LL << (i))
#define BIT(S, i) (((S) >> (i)) & 1)
#define mp make_pair
#define pb push_back
#define fi first
#define se second
#define all(x) x.begin(), x.end()
#define task "icebear"
/*END OF TEMPLATE. ICEBEAR AND THE CAT WILL WIN VOI26 */

const int MOD = 1e3 + 7;
const int inf = (int)1e9 + 27092008;
const ll INF  = (ll)1e18 + 27092008;
const int N = 2e5 + 5;
int n, q, node[N << 2], lazy[N << 2];
int fibo[N], a[N];

void init(void) {
    cin >> n >> q;
    fibo[1] = fibo[2] = 1;
    FOR(i, 3, N - 5) fibo[i] = (fibo[i - 1] + fibo[i - 2]) % MOD;
}

void process(void) {
    while(q--) {
        int t;
        cin >> t;
        if (t == 1) {
            int l,r , k;
            cin >> l >> r >> k;
            assert(k < N);
            FOR(i, l, r) a[i] += fibo[k];
        } else {
            int l, r;
            cin >> l >> r;
            int ans = 0;
            FOR(i, l, r) ans += a[i];
            cout << ans << '\n';
        }
    }
}

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    if (fopen(task".inp", "r")) {
        freopen(task".inp", "r", stdin);
        freopen(task".out", "w", stdout);
    }
    int tc = 1;
//    cin >> tc;
    while(tc--) {
        init();
        process();
    }
    return 0;
}