Cho dãy số Fibonacci được xác định như sau: F1=F2=1,Fn=Fn−1+Fn−2,∀n≥3. Một số số hạng ban đầu của dãy như sau: 1,1,2,3,5,8,13,21,34... Yêu cầu: Tính số Fibonacci thứ n, kết quả có thể rất lớn nên ta phải chia lấy dư cho 1000000007 Dữ liệu: Số nguyên dương n (0<n<106) Kết quả: Fn%1000000007 Ví dụ input 3 output 2 c++ ná

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#include <iostream>
using namespace std;

const int Mod = int(1e9) + 7;
int f[1000000];

int main() {
    int n; cin >> n;
    f[1] = f[2] = 1;
    for (int i = 3; i <= n; ++i) {
        f[i] = (f[i - 1] + f[i - 2]) % Mod;
    }
    cout << f[n];
}

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giup e voi I/ Supply the correct form of the verbs in brackets 1. You (think) ……………………… collecting stamps costs much money? 2. Every year, my mother (give) ……………………… me a nice doll on my birthday. 3. Jenny says she loves collecting pens but she (not/continue) ……………………… this hobby from next year. 4. If you wash your hands more, you (have)……………………. less chance of catching flu. 5. Getting plenty of rest is very good. It (help)…………………. you to avoid depression. 6. Mr. John (be) ……………………… principal of our school since last year. 7. I (see) ……………………… a car accident on this corner yesterday. 8. We like (come)……………………to school by bus, but we hate (stand)………………………. and (wait) …………………… in the rain. 9. ……………………… (you/ ever/ meet) anyone famous? 10. My mother (come) ……………………… to stay with us next weekend. 11. When he lived in Manchester, he (work) ……………………… in a bank. 12. We (be) ……………………… students for four years. 13. We are planting trees around our school now. Our school (be) ……………………… surrounded by a lot of green trees. 14. What ……………………… your father usually ……………………… (do) in the evenings? 15. My sister likes (cook) ……………………… very much. She can cook many good foods. 16. My father says when he's retired, he (go) …………………… back to his village to do the gardening. 17. They want (buy) ……………………… some meat for dinner. 18. Linh is my best friend. We (know) ……………………… each other for 5 years. 19. I enjoy (fish) ……………………… because it is relaxing. 20. How about (go) ……………………… to the movie theatre?

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