core: 修复OI赛制下重复提交重复计分的问题

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.13.43",
+    "version": "2.13.44",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",

packages/hydrooj/src/model/contest.ts

@@ -151,6 +151,7 @@ const oi: ContestRule = {
         for (const j of journal) {
             if (tdoc.pids.includes(j.pid)) {
                 detail[j.pid] = j;
+                if (detail[j.pid]) score -= detail[j.pid].score;
                 score += j.score;
             }
         }
@@ -193,7 +194,7 @@ const oi: ContestRule = {
             for (const pid of tdoc.pids) {
                 row.push({
                     type: 'record',
-                    value: tsddict[pid]?.score || '-',
+                    value: tsddict[pid]?.score ?? '-',
                     raw: tsddict[pid]?.rid || null,
                 });
             }