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OI-codes/Luogu/P1563/P1563.cpp

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// R38818598
#include <bits/stdc++.h>
using namespace std;
struct node {
string name;
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bool towards;
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};
int main() {
// freopen("data/P1563_sample1.in", "r", stdin);
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int n, m, now = 0, x, y;
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node a[100005];
cin >> n >> m;
for (int i = 0; i < n; i++) {
cin >> a[i].towards >> a[i].name;
}
for (int i = 0; i < m; i++) {
cin >> x >> y;
if (a[now].towards == 0) {
if (x == 0) {
now = (now + n - y) % n;
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} else if (x == 1) {
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now = (now + y) % n;
}
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} else if (a[now].towards == 1) {
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if (x == 0) {
now = (now + y) % n;
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} else if (x == 1) {
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now = (now + n - y) % n;
}
}
}
cout << a[now].name << endl;
return 0;
}