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35 lines
919 B
C++
35 lines
919 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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int a[105], n;
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int main()
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{
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scanf("%d", &n);
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for (int i = 0; i < n; i++) scanf("%d", a + i);
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for (int i = 1; i < n; i++)
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if ((a[i] == 3 && a[i - 1] == 2) || (a[i] == 2 && a[i - 1] == 3))
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{
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puts("Infinite");
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return 0;
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}
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puts("Finite");
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int ans = 0;
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for (int i = 1; i < n; i++)
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{
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if (a[i - 1] == 1 && a[i] == 2)
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ans += 3;
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if (a[i - 1] == 2 && a[i] == 1)
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ans += 3;
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if (a[i - 1] == 1 && a[i] == 3)
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ans += 4;
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if (a[i - 1] == 3 && a[i] == 1)
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ans += 4;
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}
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for (int i = 2; i < n; i++)
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if (a[i - 2] == 3 && a[i - 1] == 1 && a[i] == 2)
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ans--;
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printf("%d", ans);
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return 0;
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}
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