1 files changed, 8 insertions, 11 deletions
diff --git a/examples/qtconcurrent/wordcount/main.cpp b/examples/qtconcurrent/wordcount/main.cpp
index ff7ea24ee7..ae8542a761 100644
--- a/examples/qtconcurrent/wordcount/main.cpp
+++ b/examples/qtconcurrent/wordcount/main.cpp
@@ -54,7 +54,7 @@
 #include <QString>
 #include <QStringList>
 #include <QDir>
-#include <QTime>
+#include <QElapsedTimer>
 #include <QApplication>
 #include <QDebug>
 
@@ -126,11 +126,8 @@ WordCount countWords(const QString &file)
 // at a time.
 void reduce(WordCount &result, const WordCount &w)
 {
-    QMapIterator<QString, int> i(w);
-    while (i.hasNext()) {
-        i.next();
+    for (auto i = w.begin(), end = w.end(); i != end; ++i)
         result[i.key()] += i.value();
-    }
 }
 
 int main(int argc, char** argv)
@@ -149,19 +146,19 @@ int main(int argc, char** argv)
 
     int singleThreadTime = 0;
     {
-        QTime time;
-        time.start();
+        QElapsedTimer timer;
+        timer.start();
         WordCount total = singleThreadedWordCount(files);
-        singleThreadTime = time.elapsed();
+        singleThreadTime = timer.elapsed();
         qDebug() << "single thread" << singleThreadTime;
     }
 
     int mapReduceTime = 0;
     {
-        QTime time;
-        time.start();
+        QElapsedTimer timer;
+        timer.start();
         WordCount total = mappedReduced(files, countWords, reduce);
-        mapReduceTime = time.elapsed();
+        mapReduceTime = timer.elapsed();
         qDebug() << "MapReduce" << mapReduceTime;
     }
     qDebug() << "MapReduce speedup x" << ((double)singleThreadTime - (double)mapReduceTime) / (double)mapReduceTime + 1;