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improve problem list UI #12

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improve problem list UI #12

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a69c0d4
add required balloons counter
Const1nt Dec 16, 2025
e5840cc
Sort carrying balloons in the order of team places instead of by time
nsychev Dec 10, 2025
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64 changes: 48 additions & 16 deletions frontend/src/components/ProblemList.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -2,25 +2,57 @@ import { useMemo } from 'react';
import { Balloon, Contest, Problem } from '../types';
import ProblemBox from './ProblemBox';

const ProblemBlock = ({ problem, solves }: { problem: Problem, solves: number }) => {
return useMemo(() => (
<div title={problem.name}>
<ProblemBox problem={problem} />
<div className="problem-solves">
{solves}
</div>
</div>
), [problem, solves]);
const ProblemBlock = ({ problem, solves, required, solved = false }: {
problem: Problem,
solves: number,
required: number,
solved?: boolean
}) => {
const getUrgencyLevel = (count: number): string => {
if (count > 100) return '5';
if (count > 65) return '4';
if (count > 30) return '3';
if (count > 15) return '2';
if (count > 0) return '1';
return '';
};
return useMemo(() => (
<div className={solved ? 'solved-problem' : ''} title={problem.name}>
<ProblemBox problem={problem} />
<div className="problem-solves">
{solves}
</div>
{required > 0 && (
<div className="balloons-require" urgency-level={getUrgencyLevel(required)}>
{required}
</div>
)}
</div>
), [problem, solves, required, solved]);
};

const ProblemList = ({ contest, balloons }: { contest: Contest, balloons: Balloon[] }) => {
return useMemo(() => (
<div className="problem-list">
{contest.problems.map(problem => (
<ProblemBlock key={problem.id} problem={problem} solves={balloons.filter(b => b.problemId === problem.id).length} />
))}
</div>
), [contest, balloons]);
return useMemo(() => (
<div className="problem-list">
{contest.problems.map(problem => {
const solvedBalloons = balloons.filter(b => b.problemId === problem.id);
const requiredCount = solvedBalloons.filter(
balloon => balloon.takenBy === null && !balloon.delivered
).length;

return (
<ProblemBlock
key={problem.id}
problem={problem}
solves={solvedBalloons.length}
required={requiredCount}
solved={solvedBalloons.length > 0}
/>
);
})}
</div>

), [contest, balloons]);
};

export default ProblemList;
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