55 lines
1.2 KiB
Java
55 lines
1.2 KiB
Java
package chelper;
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import java.util.SortedSet;
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import java.util.TreeSet;
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import io.InputReader;
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import io.OutputWriter;
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import misc.SimpleSavingChelperSolution;
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public class TaskB2 extends SimpleSavingChelperSolution {
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public void solve(int testNumber, InputReader in, OutputWriter out) {
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wrapSolve(testNumber, in, out);
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}
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@Override
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public void solve(int testNumber) {
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int l = in.nextInt();
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SortedSet<Pair> team = new TreeSet<>();
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for (int i = 0; i < l; i++) {
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long count = in.nextLong();
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int exp = in.nextInt();
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team.add(new Pair(count, exp));
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}
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long leftovers = 0;
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for (Pair manager : team) {
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long capacity = manager.count * manager.experience;
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long canAttach = Math.min(leftovers, capacity);
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leftovers = manager.count + leftovers - canAttach;
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}
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int maxExp = team.last().experience;
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out.println(Math.max(leftovers, maxExp + 1));
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}
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class Pair implements Comparable<Pair> {
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long count;
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int experience;
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public Pair(long count, int experience) {
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this.count = count;
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this.experience = experience;
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}
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@Override
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public int compareTo(Pair o) {
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return Integer.compare(this.experience, o.experience);
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}
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}
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}
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