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int[][] a = {{5, 9}, {3}, {8, 6}} // a = {{5, 9}, {3}, {8, 6}}
int[] b = a[0]; // b = {5, 9} a = {{5, 9}, {3}, {8, 6}}
b[0] += a[2][0]; // b[0] = 13 a = {{13, 9}, {3}, {8, 6}}
a[2][0] = b[0] - a[2][0]; // a[2][0] = 5 a = {{13, 9}, {3}, {5, 6}}
b[0] -= a[2][0]; // b[0] = 8 a = {{8, 9}, {3}, {5, 6}}
int[] c = a[0]; // c = {8, 9} a = {{8, 9}, {3}, {5, 6}}
c[0] += a[2][1]; // c[0] = 14 a = {{14, 9}, {3}, {5, 6}}
a[2][1] = c[0] - a[2][1]; // a[2][1] = 8 a = {{14, 9}, {3}, {5, 8}}
c[0] -= a[2][1]; // c[0] = 6 a = {{6, 9}, {3}, {5, 8}}
int[] d = {a[0][1], 7}; // d = {9, 7} a = {{6, 9}, {3}, {5, 8}}
d[0] = a[2][0]; // d[0] = 5 a = {{6, 9}, {3}, {5, 8}} |