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原来可以往POJ上交内联汇编，只要用G++编译就可以了。asm( " .file \"3533.cpp\"\n" " .text\n" " .align 2\n" " .p2align 4,,15\n" ".globl __Z6lowbitRKi\n" " .def __Z6lowbitRKi; .scl 2; .type 32; .endef\n" "__Z6lowbitRKi:\n" " pushl %ebp\n" " movl %esp, %ebp\n" " movl 8(%ebp), %eax\n" " popl %ebp\n" " movl (%eax), %eax\n" " movl %eax, %edx\n" " negl %edx\n" " andl %edx, %eax\n" " ret\n" " .align 2\n" " .p2align 4,,15\n" ".globl __Z5multiii\n" " .def __Z5multiii; .scl 2; .type 32; .endef\n" "__Z5multiii:\n" " pushl %ebp\n" " movl %esp, %ebp\n" " subl $28, %esp\n" " movl %ebx, -12(%ebp)\n" " movl 12(%ebp), %ebx\n" " movl %edi, -4(%ebp)\n" " movl 8(%ebp), %edi\n" " movl %esi, -8(%ebp)\n" " cmpl %ebx, %edi\n" " movl %edi, %eax\n" " jle L3\n" " movl %ebx, 8(%ebp)\n" " movl %ebx, %edi\n" " movl %eax, %ebx\n" " movl %eax, 12(%ebp)\n" "L3:\n" " xorl %eax, %eax\n" " testl %edi, %edi\n" " je L2\n" " cmpl $1, %edi\n" " movl %ebx, %eax\n" " je L2\n" " cltd\n" " movl $2, %esi\n" " idivl %esi\n" " cmpl $2, %eax\n" " jmp L24\n" " .p2align 4,,7\n" "L29:\n" " imull %esi, %esi\n" " movl %ebx, %eax\n" " cltd\n" " idivl %esi\n" " cmpl %esi, %eax\n" "L24:\n" " jge L29\n" " cmpl %esi, %ebx\n" " je L30\n" " leal 12(%ebp), %edx\n" " movl %edx, (%esp)\n" " call __Z6lowbitRKi\n" " cmpl %ebx, %eax\n" " je L13\n" " movl %eax, 4(%esp)\n" " movl %edi, (%esp)\n" " call __Z5multiii\n" " movl %eax, %ebx\n" " leal 12(%ebp), %eax\n" " movl %eax, (%esp)\n" " call __Z6lowbitRKi\n" " movl 12(%ebp), %edx\n" " subl %eax, %edx\n" " movl 8(%ebp), %eax\n" " movl %edx, 4(%esp)\n" " movl %eax, (%esp)\n" "L27:\n" " call __Z5multiii\n" " xorl %ebx, %eax\n" " .p2align 4,,15\n" "L2:\n" " movl -12(%ebp), %ebx\n" " movl -8(%ebp), %esi\n" " movl -4(%ebp), %edi\n" " movl %ebp, %esp\n" " popl %ebp\n" " ret\n" "L13:\n" " leal 8(%ebp), %edx\n" " movl %edx, (%esp)\n" " call __Z6lowbitRKi\n" " cmpl %edi, %eax\n" " je L14\n" " movl %ebx, 4(%esp)\n" " movl %eax, (%esp)\n" " call __Z5multiii\n" " movl %eax, %ebx\n" " leal 8(%ebp), %eax\n" " movl %eax, (%esp)\n" " call __Z6lowbitRKi\n" " movl 8(%ebp), %edx\n" " subl %eax, %edx\n" " movl 12(%ebp), %eax\n" " movl %edx, (%esp)\n" " movl %eax, 4(%esp)\n" " jmp L27\n" "L30:\n" " cmpl %esi, %edi\n" " je L31\n" " movl %edi, %eax\n" " imull %esi, %eax\n" " jmp L2\n" "L14:\n" " movl %edi, %eax\n" " movl $2, %ecx\n" " cltd\n" " idivl %ecx\n" " cmpl $2, %eax\n" " movl %eax, -20(%ebp)\n" " jmp L25\n" " .p2align 4,,7\n" "L32:\n" " imull %ecx, %ecx\n" " movl %edi, %eax\n" " cltd\n" " idivl %ecx\n" " cmpl %ecx, %eax\n" " movl %eax, -20(%ebp)\n" "L25:\n" " jge L32\n" " cmpl %ecx, %esi\n" " je L33\n" " movl %edi, (%esp)\n" " movl %ebx, %eax\n" " cltd\n" " idivl %esi\n" " movl %eax, 4(%esp)\n" " call __Z5multiii\n" " movl %esi, 4(%esp)\n" "L26:\n" " movl %eax, (%esp)\n" " call __Z5multiii\n" " jmp L2\n" "L33:\n" " movl %ebx, %eax\n" " cltd\n" " idivl %esi\n" " movl %eax, 4(%esp)\n" " movl %edi, %eax\n" " cltd\n" " idivl %esi\n" " movl %eax, (%esp)\n" " call __Z5multiii\n" " movl %esi, %edx\n" " sarl %edx\n" " addl %esi, %edx\n" " movl %edx, 4(%esp)\n" " jmp L26\n" "L31:\n" " movl %esi, %eax\n" " sarl %eax\n" " addl %esi, %eax\n" " jmp L2\n" " .def ___main; .scl 2; .type 32; .endef\n" " .section .rdata,\"dr\"\n" "LC0:\n" " .ascii \"%d\\0\"\n" "LC2:\n" " .ascii \"Yes\\0\"\n" "LC1:\n" " .ascii \"%d%d%d\\0\"\n" "LC3:\n" " .ascii \"No\\0\"\n" " .text\n" " .align 2\n" " .p2align 4,,15\n" ".globl _main\n" " .def _main; .scl 2; .type 32; .endef\n" "_main:\n" " pushl %ebp\n" " movl $16, %eax\n" " movl %esp, %ebp\n" " pushl %edi\n" " pushl %esi\n" " pushl %ebx\n" " subl $44, %esp\n" " andl $-16, %esp\n" " call __alloca\n" " call ___main\n" " leal -24(%ebp), %edi\n" " leal -28(%ebp), %eax\n" " movl %eax, 4(%esp)\n" " movl $LC0, (%esp)\n" " call _scanf\n" " incl %eax\n" " je L52\n" " .p2align 4,,15\n" "L43:\n" " xorl %esi, %esi\n" " xorl %ebx, %ebx\n" " cmpl -28(%ebp), %esi\n" " jl L40\n" "L46:\n" " movl $LC2, (%esp)\n" " call _puts\n" "L53:\n" " movl $LC0, (%esp)\n" " leal -28(%ebp), %eax\n" " movl %eax, 4(%esp)\n" " call _scanf\n" " incl %eax\n" " jne L43\n" "L52:\n" " leal -12(%ebp), %esp\n" " xorl %eax, %eax\n" " popl %ebx\n" " popl %esi\n" " popl %edi\n" " popl %ebp\n" " ret\n" " .p2align 4,,7\n" "L40:\n" " movl %edi, 4(%esp)\n" " leal -16(%ebp), %eax\n" " incl %ebx\n" " movl %eax, 12(%esp)\n" " leal -20(%ebp), %eax\n" " movl %eax, 8(%esp)\n" " movl $LC1, (%esp)\n" " call _scanf\n" " movl -20(%ebp), %eax\n" " movl %eax, 4(%esp)\n" " movl -24(%ebp), %eax\n" " movl %eax, (%esp)\n" " call __Z5multiii\n" " movl %eax, (%esp)\n" " movl -16(%ebp), %edx\n" " movl %edx, 4(%esp)\n" " call __Z5multiii\n" " xorl %eax, %esi\n" " cmpl -28(%ebp), %ebx\n" " jl L40\n" " testl %esi, %esi\n" " je L46\n" " movl $LC3, (%esp)\n" " call _puts\n" " jmp L53\n" " .def _puts; .scl 2; .type 32; .endef\n" " .def _scanf; .scl 2; .type 32; .endef\n" ); Followed by:
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