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#include <bits/stdc++.h>
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using namespace std;
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// 例4、穿越沙漠
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// https://blog.csdn.net/weixin_43983838/article/details/88125782
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int main() {
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int dis = 500, oil = 500;
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int k = 1;
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//因为不确定循环次数，又至少做一次，所以我们用do_while
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do {
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printf("储油点%d：距离出发点%5d,", k, 1000 - dis);
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printf("储油量%5dL\n", oil);
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k = k + 1;
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dis = dis + 500 / (2 * k - 1);
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oil = 500 * k;
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} while (dis < 1000);
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// 再计算出发点的储油量
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oil = 500 * (k - 1) + (1000 - dis) * (2 * k - 1);
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printf("储油点%d：距离出发点%5d,储油量%5dL\n", k, 0, oil);
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return 0;
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}
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