18 lines
274 B
C++
18 lines
274 B
C++
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#include <bits/stdc++.h>
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using namespace std;
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int main()
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{
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int n, x = 0;
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cin >> n;
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while (n--)
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{
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char op[4];
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cin >> op;
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if (op[1] == '+')
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x++;
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else if (op[1] == '-')
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x--;
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}
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cout << x << endl;
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}
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