58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
#include <iostream>
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#include <string.h>
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#include <stdio.h>
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#include <vector>
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#include <map>
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#include <queue>
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#include <algorithm>
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#include <math.h>
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#include <cstdio>
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using namespace std;
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const int N = 1010;
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int a[N];
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/*
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测试用例：
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1 7
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5 6 7 9 12 14 17
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输出：
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i=1,a[7]-a[6]-1=2
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i=3,a[5]-a[4]-1=2
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i=5,a[3]-a[2]-1=0
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i=7,a[1]-a[0]-1=4
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Georgia will win
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*/
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int main() {
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int T;
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scanf("%d", &T);
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while (T--) {
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int n, s = 0;
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scanf("%d", &n);
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for (int i = 1; i <= n; i++) scanf("%d", &a[i]);
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sort(a + 1, a + n + 1);
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/*
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n=7
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a[1~7] = {5 6 7 9 12 14 17}
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a[7]-a[6]-1=2 1号台阶 √
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a[6]-a[5]-1=1 2号台阶 ×
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a[5]-a[4]-1=2 3号台阶 √
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a[4]-a[3]-1=1 4号台阶 ×
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a[3]-a[2]-1=0 5号台阶 √
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a[2]-a[1]-1=0 6号台阶 ×
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a[1]-a[0]-1=0 7号台阶 √
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*/
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for (int i = 1; i <= n; i += 2) //枚举 奇数阶台阶
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{
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s ^= a[n - i + 1] - a[n - i] - 1;
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printf("i=%d,a[%d]-a[%d]-1=%d\n", i, n - i + 1, n - i, a[n - i + 1] - a[n - i] - 1);
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}
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//异或和为0，先手必败；否则先手必胜
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puts(s == 0 ? "Bob will win" : "Georgia will win");
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}
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return 0;
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} |