26 lines
499 B
C++
26 lines
499 B
C++
#include <iostream>
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#include <utility>
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#include <vector>
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using namespace std;
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int main() {
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int n;
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cin >> n;
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vector<int> sum(n + 1);
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sum[0] = 0;
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for (int i = 1; i < n + 1; i++) {
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int tmp;
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cin >> tmp;
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sum[i] = sum[i - 1] + tmp;
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}
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int cnum;
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cin >> cnum;
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vector<pair<int, int>> check(cnum);
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for (int i = 0; i < cnum; i++) {
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cin >> check[i].first >> check[i].second;
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}
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for (int i = 0; i < cnum; i++) {
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cout << sum[check[i].second] - sum[check[i].first - 1] << endl;
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}
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return 0;
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}
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