21 lines
378 B
C++
21 lines
378 B
C++
#include <cstdio>
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using namespace std;
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int n, m;
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int a[100005], pre[100005];
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int main()
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{
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scanf("%d", &n);
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for (int i = 1; i <= n; ++i)
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{
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scanf("%d", &a[i]);
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pre[i] = a[i] + pre[i - 1];
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}
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scanf("%d", &m);
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while (m--)
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{
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int l, r;
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scanf("%d%d", &l, &r);
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printf("%d\n", pre[r] - pre[l - 1]);
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}
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return 0;
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} |