diff --git a/example/c-sum/.gitea/workflows/judge.yml b/.gitea/workflows/judge.yml
similarity index 72%
rename from example/c-sum/.gitea/workflows/judge.yml
rename to .gitea/workflows/judge.yml
index c3b85a0..aa720f5 100644
--- a/example/c-sum/.gitea/workflows/judge.yml
+++ b/.gitea/workflows/judge.yml
@@ -20,25 +20,56 @@ on:
 env:
   SUITE_FILE: sum.jdg
   SOURCES_DIR: __sources__
+  EXAMPLE_DIR: example/c-sum
 
 jobs:
+  # Build judge once for all platforms, then ship the binaries as an artifact.
+  # test jobs just download and run them — no Go needed on test runners.
+  build_judge:
+    name: Build judge
+    runs-on: Linux-Runner
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.22'
+
+      - name: Cross-compile judge
+        shell: bash
+        run: |
+          mkdir -p dist
+          CGO_ENABLED=0 GOOS=linux   GOARCH=amd64 go build -o dist/judge-linux-amd64       ./cmd/cli
+          CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build -o dist/judge-windows-amd64.exe ./cmd/cli
+          ls -la dist/
+
+      - name: Upload judge binaries
+        uses: https://github.com/christopherHX/gitea-upload-artifact@v4
+        with:
+          name: judge-bin
+          path: dist/
+          retention-days: 1
+
   test:
+    needs: build_judge
     name: "${{ matrix.toolchain.system }} / ${{ matrix.toolchain.use_compiler }} / ${{ matrix.toolchain.build_type }}${{ matrix.toolchain.wrapper != 'no' && format(' ({0})', matrix.toolchain.wrapper) || '' }}"
 
     strategy:
       fail-fast: false
       matrix:
         toolchain:
-          - { system: Linux,   use_compiler: gcc,   build_type: Release,   cflags: "-O2",                                 wrapper: no,       timeout_factor: 1.0 }
-          - { system: Linux,   use_compiler: gcc,   build_type: Debug,     cflags: "-O0 -g",                              wrapper: no,       timeout_factor: 2.5 }
-          - { system: Linux,   use_compiler: gcc,   build_type: Sanitized, cflags: "-O1 -g -fsanitize=address,undefined", wrapper: no,       timeout_factor: 2.5 }
-          - { system: Linux,   use_compiler: gcc,   build_type: Debug,     cflags: "-O0 -g",                              wrapper: valgrind, timeout_factor: 5.0 }
-          - { system: Linux,   use_compiler: clang, build_type: Release,   cflags: "-O2",                                 wrapper: no,       timeout_factor: 1.0 }
-          - { system: Linux,   use_compiler: clang, build_type: Sanitized, cflags: "-O1 -g -fsanitize=address,undefined", wrapper: no,       timeout_factor: 2.5 }
-          - { system: Windows, use_compiler: clang, build_type: Release,   cflags: "-O2",                                 wrapper: no,       timeout_factor: 2.0 }
-          - { system: Windows, use_compiler: clang, build_type: Debug,     cflags: "-O0 -g",                              wrapper: no,       timeout_factor: 3.0 }
-          - { system: Windows, use_compiler: msvc,  build_type: Release,   cflags: "/O2",                                 wrapper: no,       timeout_factor: 2.0 }
-          - { system: Windows, use_compiler: msvc,  build_type: Debug,     cflags: "/Od /Zi",                             wrapper: no,       timeout_factor: 5.0 }
+          - { system: Linux,   use_compiler: gcc,   build_type: Release,   cflags: "-O2",                                 wrapper: no       }
+          - { system: Linux,   use_compiler: gcc,   build_type: Debug,     cflags: "-O0 -g",                              wrapper: no       }
+          - { system: Linux,   use_compiler: gcc,   build_type: Sanitized, cflags: "-O1 -g -fsanitize=address,undefined", wrapper: no       }
+          - { system: Linux,   use_compiler: gcc,   build_type: Debug,     cflags: "-O0 -g",                              wrapper: valgrind }
+          - { system: Linux,   use_compiler: clang, build_type: Release,   cflags: "-O2",                                 wrapper: no       }
+          - { system: Linux,   use_compiler: clang, build_type: Sanitized, cflags: "-O1 -g -fsanitize=address,undefined", wrapper: no       }
+          - { system: Windows, use_compiler: clang, build_type: Release,   cflags: "-O2",                                 wrapper: no       }
+          - { system: Windows, use_compiler: clang, build_type: Debug,     cflags: "-O0 -g",                              wrapper: no       }
+          - { system: Windows, use_compiler: msvc,  build_type: Release,   cflags: "/O2",                                 wrapper: no       }
+          - { system: Windows, use_compiler: msvc,  build_type: Debug,     cflags: "/Od /Zi",                             wrapper: no       }
 
     runs-on: ${{ matrix.toolchain.system }}-Runner
     timeout-minutes: 10
@@ -66,17 +97,29 @@ jobs:
         shell: bash
         run: |
           mkdir -p "${SOURCES_DIR}"
-          cp solution.c "${SOURCES_DIR}/"
+          cp "${EXAMPLE_DIR}/solution.c" "${SOURCES_DIR}/"
 
       - name: Set up MSVC environment
         if: matrix.toolchain.use_compiler == 'msvc'
         uses: ilammy/msvc-dev-cmd@v1
 
-      - name: Install judge
+      - name: Download judge binary
+        uses: https://github.com/christopherHX/gitea-download-artifact@v4
+        with:
+          name: judge-bin
+          path: judge-bin
+
+      - name: Install judge on PATH
         shell: bash
         run: |
-          go install github.com/Mond1c/judge/cmd/cli@latest
-          echo "$HOME/go/bin" >> "$GITHUB_PATH"
+          mkdir -p bin
+          if [ "${{ matrix.toolchain.system }}" = "Windows" ]; then
+            cp judge-bin/judge-windows-amd64.exe bin/judge.exe
+          else
+            cp judge-bin/judge-linux-amd64 bin/judge
+            chmod +x bin/judge
+          fi
+          echo "$PWD/bin" >> "$GITHUB_PATH"
 
       - name: Install valgrind
         if: matrix.toolchain.wrapper == 'valgrind'
@@ -88,7 +131,7 @@ jobs:
         env:
           WRAPPER: ${{ matrix.toolchain.wrapper }}
         run: |
-          cp ../${{ env.SUITE_FILE }} .
+          cp "../${EXAMPLE_DIR}/${SUITE_FILE}" .
 
           WRAPPER_ARG=""
           case "$WRAPPER" in
@@ -97,11 +140,11 @@ jobs:
             *)        WRAPPER_ARG="--wrapper=$WRAPPER" ;;
           esac
 
-          # For MSVC the suffixed .exe is produced; runner auto-detects it.
-          judge ${{ env.SUITE_FILE }} . --json $WRAPPER_ARG > "$GITHUB_WORKSPACE/${REPORT_NAME}.json" \
+          # runner auto-detects .exe suffix on Windows
+          judge "$SUITE_FILE" . --json $WRAPPER_ARG > "$GITHUB_WORKSPACE/${REPORT_NAME}.json" \
             || echo "judge exited non-zero (expected when tests fail)"
 
-          judge ${{ env.SUITE_FILE }} . $WRAPPER_ARG || true
+          judge "$SUITE_FILE" . $WRAPPER_ARG || true
 
       - name: Upload report
         if: ${{ always() }}