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-rw-r--r--cpp/002test.cc4
1 files changed, 2 insertions, 2 deletions
diff --git a/cpp/002test.cc b/cpp/002test.cc
index af56ae97..488bbff4 100644
--- a/cpp/002test.cc
+++ b/cpp/002test.cc
@@ -82,9 +82,9 @@ bool is_number(const string& s) {
   return s.find_first_not_of("0123456789-.") == string::npos;
 }
 
-int to_int(string n) {
+long long int to_int(string n) {
   char* end = NULL;
-  int result = strtol(n.c_str(), &end, /*any base*/0);
+  long long int result = strtoll(n.c_str(), &end, /*any base*/0);
   assert(*end == '\0');
   return result;
 }