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慕盖茨4494581
function selectScore(preAnswerScore,answer) {
let totalScore = 0;
let noScoreKey = [];
let hasNoScoreKey = false;
for(let key in preAnswerScore) {
if(preAnswerScore[key] == 0){
noScoreKey.push(key);
}
}
noScoreKey.map( item => {
if(answer.includes(item)){
hasNoScoreKey = true;
}
});
if(hasNoScoreKey) {
totalScore = 0;
}else{
answer.map (item => {
totalScore += preAnswerScore[item];
});
totalScore /= 10;
}
return totalScore;
}
let preAnswerScore = {a: 20, b: 40, c: 40, d: 0};
let answer = ['c','b','d']
console.log(selectScore(preAnswerScore, answer));
}
js走一波，考虑到你其他选择题也适用
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守着星空守着你
不会php， 用一下js
// 选择的选项
const select = ['a','b','d']
// 分数
const score = {
'a': 20,
'b': 20,
'c': 60,
'd': 0
}
// 根据所选 得到 分数如：abd 的到 20,20,0
const a = select.map(x => score[x])
// 如果 a里面有 0 直接返回 0 否则 reduce 后得到 分数
total = a.includes(0) ? 0 : a.reduce((total, i) => total+ (i *0.1) , 0)
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繁华开满天机
思路，获得提交与答案的交集，如果交集个数不等于提交个数，则认为，存在选错的值，如果交集个数等于提交个数，遍历求分即可
<?php
function multiSelectScore($answer, $wight, $allScore, $submit)
{
$score = 0;
$answerWight = array_combine($answer, $wight);
// 计算交集
$selects = array_intersect($answer, $submit);
if(count($selects) === count($submit)) {
// 遍历交集
foreach($selects as $key => $select) {
$score += $answerWight[$select] * 0.01 * $allScore;
}
}
return $score;
}
// 答案
$answer = ["A", "B", "C"];
// 权重
$wight = ["20","30","50"];
// 总分
$allScore = 10;
// 提交的选项
$submit = ["A","C"];
$score = multiSelectScore($answer, $wight, $allScore, $submit);
echo json_encode($score) . "\n";
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慕少森
function calc($result,$answer,$score){
$count = count($result);
$d = array_diff($answer,$result);
if($d){
return 0;
}
$c = array_diff($result,$answer);
$lost = count($c);
if(!$lost){
return $score;
}
switch ($count) {
case 1:
$per = [1=>1];
break;
case 2:
$per = [1=>0.4,2=>1];
break;
case 3:
$per = [1=>0.2,2=>0.6,3=>1];
break;
default:
$per = [1=>0.1,2=>0.5,3=>0.8,4=>1];
break;
}
$true = $count - $lost ;
return $per[$true]*$score;
}
$result = ['A','B','C'];
$answer = ['A','B'];
$score = 10;
echo calc($result,$answer,$score);
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哈士奇WWW
function check_score(array $answer, array $correct, $total_score){
$answer=array_flip($answer);
$check=array_intersect_key($correct, $answer);
return in_array($check, 0) ? 0 : array_sum($ckeck)*$total_score;
}
$answer为答案数组（['A', 'B', 'C']）
$correct为正确答案数组（['A'=>0.2, 'B'=>0.4, 'C'=>0.4, 'D'=>0]）
$total_score为总分
首先翻转$answer让选项成为key（['A'=>0, 'B'=>1, 'C'=>2]）
然后根据key计算$correct和$answer的交集$check，$check的key和value都保留$correct的。
检查$check的value中是否有0，有的话说明有错误答案，返回0分，否则计算$check的value的和，并乘以总分返回。