trener.cpp:3:1: error: 'string' does not name a type; did you mean 'struct'?
string str[55][1505];
^~~~~~
struct
trener.cpp:4:1: error: 'vector' does not name a type
vector<pair<string,int> > str2[55];
^~~~~~
trener.cpp: In function 'int main()':
trener.cpp:8:2: error: 'scanf' was not declared in this scope
scanf("%d%d",&n,&k);
^~~~~
trener.cpp:13:4: error: 'str' was not declared in this scope
str[i][j]=temp;
^~~
trener.cpp:15:8: error: 'str' was not declared in this scope
sort(str[i],str[i]+k);
^~~
trener.cpp:15:3: error: 'sort' was not declared in this scope
sort(str[i],str[i]+k);
^~~~
trener.cpp:15:3: note: suggested alternative: 'short'
sort(str[i],str[i]+k);
^~~~
short
trener.cpp:18:5: error: 'string' was not declared in this scope
string a,b;
^~~~~~
trener.cpp:18:5: note: suggested alternative: 'struct'
string a,b;
^~~~~~
struct
trener.cpp:20:6: error: 'a' was not declared in this scope
a+=str[i][j][l];
^
trener.cpp:21:6: error: 'b' was not declared in this scope
b+=str[i][j][l+1];
^
trener.cpp:23:8: error: 'a' was not declared in this scope
if(a==b)str2[i].push_back(make_pair(a,j));
^
trener.cpp:23:11: error: 'b' was not declared in this scope
if(a==b)str2[i].push_back(make_pair(a,j));
^
trener.cpp:23:13: error: 'str2' was not declared in this scope
if(a==b)str2[i].push_back(make_pair(a,j));
^~~~
trener.cpp:23:31: error: 'make_pair' was not declared in this scope
if(a==b)str2[i].push_back(make_pair(a,j));
^~~~~~~~~
trener.cpp:24:10: error: 'str2' was not declared in this scope
else str2[i].push_back(make_pair(a,j)),str2[i].push_back(make_pair(b,j));
^~~~
trener.cpp:24:28: error: 'make_pair' was not declared in this scope
else str2[i].push_back(make_pair(a,j)),str2[i].push_back(make_pair(b,j));
^~~~~~~~~
trener.cpp:26:9: error: 'str2' was not declared in this scope
sort(str2[i].begin(),str2[i].end());
^~~~
trener.cpp:31:15: error: 'memset' was not declared in this scope
ll dp[2][k]; memset(dp,0,sizeof(dp));
^~~~~~
trener.cpp:36:12: error: 'str' was not declared in this scope
if(j>0&&str[i][j]==str[i][j-1]){
^~~
trener.cpp:36:12: note: suggested alternative: 'ptr'
if(j>0&&str[i][j]==str[i][j-1]){
^~~
ptr
trener.cpp:39:19: error: 'str2' was not declared in this scope
while(ptr<(int)str2[i+1].size()){
^~~~
trener.cpp:39:19: note: suggested alternative: 'ptr'
while(ptr<(int)str2[i+1].size()){
^~~~
ptr
trener.cpp:40:8: error: 'str' was not declared in this scope
if(str[i][j]==str2[i+1][ptr].first){
^~~
trener.cpp:40:8: note: suggested alternative: 'ptr'
if(str[i][j]==str2[i+1][ptr].first){
^~~
ptr
trener.cpp:51:2: error: 'printf' was not declared in this scope
printf("%lld",ans);
^~~~~~
trener.cpp:51:2: note: suggested alternative: 'int'
printf("%lld",ans);
^~~~~~
int