30 lines
526 B
C++
30 lines
526 B
C++
#include <iostream>
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using namespace std;
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void add_paper(int P[], int x, int y) {
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for (int i = 0; i < 10; i++) {
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for (int j = 0; j < 10; j++) {
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P[(x - 1 + i) * 100 + y - 1 + j] = 1;
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}
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}
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}
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int main() {
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int Paper[100 * 100] = {0,};
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int N;
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cin >> N;
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int _x, _y;
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for (int i = 0; i < N; i++) {
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cin >> _x >> _y;
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add_paper(Paper, _x, _y);
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}
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int A = 0;
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for (int i = 0; i < 10000; i++) {
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A += Paper[i];
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}
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cout << A;
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return 0;
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} |