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- #include <iostream>
- #include <vector>
- #include <queue>
- #include <stack>
- using namespace std;
- typedef long long ll;
- const int maxn = 1e5 + 10;
- int pref_1[maxn], pref_2[maxn], pref_3[maxn];
- int main() {
- ios_base::sync_with_stdio(false);
- int n, q;
- cin >> n >> q;
- vector<int> v(n);
- int sum1 = 0, sum2 = 0, sum3 = 0;
- for(int i = 0; i < n; i++) {
- cin >> v[i];
- if(v[i] == 1) {
- sum1++;
- }
- if(v[i] == 2) {
- sum2++;
- }
- if(v[i] == 3) {
- sum3++;
- }
- pref_1[i] = sum1;
- pref_2[i] = sum2;
- pref_3[i] = sum3;
- }
- for(int i = 0; i < q; i++) {
- int a, b;
- cin >> a >> b;
- a--; b--;
- int res1, res2, res3;
- if(a == 0) {
- res1 = pref_1[b];
- res2 = pref_2[b];
- res3 = pref_3[b];
- }
- else {
- res1 = pref_1[b] - pref_1[a - 1];
- res2 = pref_2[b] - pref_2[a - 1];
- res3 = pref_3[b] - pref_3[a - 1];
- }
- cout << res1 << " " << res2 << " " << res3 << endl;
- }
- return 0;
- }
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