mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
72 lines
1.6 KiB
C++
72 lines
1.6 KiB
C++
#include <iostream>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <algorithm>
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using namespace std;
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#define maxn 3005
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struct Tree
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{
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int l, r;
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} tree[maxn];
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char st1[maxn], st2[maxn], temp[maxn], st[maxn];
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bool operator<(const Tree &a, const Tree &b)
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{
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int len = min(a.r - a.l, b.r - b.l);
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for (int i =0; i < len; i++)
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if (st[a.l + i] != st[b.l + i])
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return st[a.l + i] < st[b.l + i];
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return a.r - a.l < b.r - b.l;
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}
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void make(int l, int r, Tree *tree)
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{
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int zcount =0;
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int tcount =0;
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int s = l;
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for (int i = l; i < r; i++)
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{
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if (st[i] =='0')
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zcount++;
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else
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zcount--;
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if (zcount ==0)
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{
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make(s +1, i, &tree[tcount]);
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tree[tcount].l = s;
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tree[tcount].r = i +1;
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tcount++;
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s = i +1;
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}
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}
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sort(tree, tree + tcount);
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s = l;
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for (int i =0; i < tcount; i++)
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{
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for (int j = tree[i].l; j < tree[i].r; j++)
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temp[j - tree[i].l + s] = st[j];
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s += tree[i].r - tree[i].l;
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}
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for (int i = l; i < r; i++)
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st[i] = temp[i];
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}
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int main()
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{
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int t;
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scanf("%d", &t);
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getchar();
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while (t--)
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{
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gets(st);
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make(0, strlen(st), tree);
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strcpy(st1, st);
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gets(st);
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make(0, strlen(st), tree);
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strcpy(st2, st);
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if (strcmp(st1, st2) ==0)
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printf("same\n");
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else
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printf("different\n");
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}
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return 0;
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}
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