karte.cpp: In function 'int main()':
karte.cpp:13:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 5; i < s.size(); i += 3)
~~^~~~~~~~~~
karte.cpp:13:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
for(int i = 5; i < s.size(); i += 3)
^~~
karte.cpp:19:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
for(int i = 0; i < s.size(); i += 3){
^~~
karte.cpp:19:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 0; i < s.size(); i += 3){
~~^~~~~~~~~~