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24 lines
383 B
C++
24 lines
383 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int main() {
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char op;
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cin >> op;
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double x, sum = 0;
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for (int i = 0; i < 12; i++) {
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for (int j = 0; j < 12; j++) {
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cin >> x;
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if (i > j && i + j < 11) sum += x;
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}
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}
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if (op == 'S')
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printf("%.1lf", sum);
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else
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printf("%.1lf", sum / 30);
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return 0;
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}
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