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#include <stdlib.h> #include <stdio.h> extern double test(int); int main(int argc, char ** argv) { int n; double r; if (argc >= 2) n = atoi(argv[1]); else n = 10000; r = test(n); printf("integr(square, 0.0, 1.0, %d) = %g\n", n, r); return 0; }