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#include <cstdio> class SR { int &ri; int v; public: SR(int &i) : ri(i), v(i) { } ~SR() { ri = v; } }; int main() { int j = 5; int a[] = {10, 15}; { SR x(j), y(a[0]), z(a[1]); j = a[0]; a[0] = a[1]; a[1] = j; printf("j = %d, a = {%d, %d}\n", j, a[0], a[1]); } printf("j = %d, a = {%d, %d}\n", j, a[0], a[1]); }
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