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25 lines
666 B
C++
25 lines
666 B
C++
#define _CRT_SECURE_NO_WARNINGS
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#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
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#include <bits/stdc++.h>
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using namespace std;
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const int N = 105;
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long long a[N], b[N];
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int main()
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{
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int T, n;
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scanf("%d", &T);
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while (T--)
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{
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scanf("%d", &n);
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for (int i = n - 1; i >= 0; i--) scanf("%lld", a + i);
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for (int i = n - 1; i >= 0; i--) scanf("%lld", b + i);
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for (int i = 1; i < n; i++) a[i] += a[i - 1], b[i] += b[i - 1];
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bool flag = true;
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for (int i = 0; i < n; i++)
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if (a[i] > b[i])
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flag = false;
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puts(flag ? "Yes" : "No");
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}
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return 0;
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}
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