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#include <iostream> #include <cmath> using namespace std; int main() { // задача В int x, y; cin >> x >> y; int ch = 0; if (x > 0) { if (y > 0) { ch = 1; } if (y < 0) { ch = 4; } } if (x < 0) { if (y > 0) ch = 2; else ch = 3; } int x2, y2; cin >> x2 >> y2; int ch2 = 0; if (x2 > 0) { if (y2 > 0) { ch2 = 1; } if (y2 < 0) { ch2 = 4; } } if (x2 < 0) { if (y2 > 0) ch2 = 2; else ch2 = 3; } if (ch == ch2); // to do; }
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