Roman Pytkov
e154890897
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53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
#include <bits/stdc++.h>
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#include "testlib.h"
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using namespace std;
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int minN = 1, maxN = 1e5;
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int minM = 1, maxM = 1e5;
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int minA = 1, maxA = 1e9;
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int main(int argc, char* argv[]) {
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registerValidation(argc, argv);
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int n = inf.readInt(minN, maxN, "n");
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inf.readSpace();
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int m = inf.readInt(minM, maxM, "m");
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inf.readEoln();
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set<int> st;
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for (int i = 0; i < n; i++) {
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int a = inf.readInt(minA, maxA, "a");
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if (i == n - 1)
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inf.readEoln();
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else
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inf.readSpace();
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st.insert(a);
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}
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inf.ensuref((int)st.size() == n, "a is unique");
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for (int i = 0; i < m; i++) {
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int t = inf.readInt(1, 3, "t");
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inf.readSpace();
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if (t == 1) {
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int x = inf.readInt(minA, maxA, "x");
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inf.readSpace();
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int y = inf.readInt(minA, maxA, "y");
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inf.ensuref(st.count(x) == 0, "x is already in list");
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inf.ensuref(st.count(y) == 1, "y is not in list");
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st.insert(x);
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inf.readEoln();
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}
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if (t == 2) {
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int x = inf.readInt(minA, maxA, "x");
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inf.ensuref(st.count(x) == 0, "xx is already in list");
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st.insert(x);
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inf.readEoln();
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}
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if (t == 3) {
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int x = inf.readInt(minA, maxA, "x");
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inf.ensuref(st.count(x) == 1, "x is not in list");
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st.erase(x);
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inf.readEoln();
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}
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}
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inf.readEof();
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}
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