clean code warnings

model_zoo/official/cv/yolov4/ascend310_infer/src/main.cc

@@ -141,7 +141,7 @@ int main(int argc, char **argv) {
     average += diff;
     infer_cnt++;
   }
-  average = average/infer_cnt;
+  average = average / infer_cnt;
   std::stringstream timeCost;
   timeCost << "NN inference cost average time: "<< average << "ms of infer_count " << infer_cnt << std::endl;
   std::cout << "NN inference cost average time: "<< average << "ms of infer_count " << infer_cnt << std::endl;

model_zoo/official/cv/yolov4/ascend310_infer/src/utils.cc

@@ -58,7 +58,7 @@ int WriteResult(const std::string& imageFile, const std::vector<MSTensor> &outpu
     std::string fileName(imageFile, pos + 1);
     fileName.replace(fileName.find('.'), fileName.size() - fileName.find('.'), '_' + std::to_string(i) + ".bin");
     std::string outFileName = homePath + "/" + fileName;
-    FILE * outputFile = fopen(outFileName.c_str(), "wb");
+    FILE *outputFile = fopen(outFileName.c_str(), "wb");
     fwrite(netOutput.get(), outputSize, sizeof(char), outputFile);
 
     fclose(outputFile);