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View Compilation Error

0_0_21869587_1416.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
 #include <cstdio>
         ^
0_0_21869587_1416.cpp:2:9: error: #include expects "FILENAME" or <FILENAME>
 #include <cmath>
         ^
0_0_21869587_1416.cpp:3:9: error: #include expects "FILENAME" or <FILENAME>
 #include <cstring>
         ^
0_0_21869587_1416.cpp:4:9: error: #include expects "FILENAME" or <FILENAME>
 #include <iostream>
         ^
0_0_21869587_1416.cpp:5:9: error: #include expects "FILENAME" or <FILENAME>
 #include <algorithm>
         ^
0_0_21869587_1416.cpp:6:6: error: expected nested-name-specifier before '&' token
 using namespace std;
      ^
0_0_21869587_1416.cpp:6:21: error: expected identifier before '&' token
 using namespace std;
                     ^
0_0_21869587_1416.cpp:6:26: error: expected constructor, destructor, or type conversion before ';' token
 using namespace std;
                          ^
0_0_21869587_1416.cpp:6:27: error: 'std' does not name a type
 using namespace std;
                           ^
0_0_21869587_1416.cpp:7:5: error: 'nbsp' declared as reference but not initialized
 int n,m;
     ^
0_0_21869587_1416.cpp:7:10: error: 'n' does not name a type
 int n,m;
          ^
0_0_21869587_1416.cpp:8:5: error: redefinition of 'int& nbsp'
 int const MAXN = 200000;
     ^
0_0_21869587_1416.cpp:7:5: note: 'int& nbsp' previously declared here
 int n,m;
     ^
0_0_21869587_1416.cpp:8:16: error: conflicting declaration 'const int& nbsp'
 int const MAXN = 200000;
                ^
0_0_21869587_1416.cpp:7:5: note: previous declaration as 'int& nbsp'
 int n,m;
     ^
0_0_21869587_1416.cpp:8:21: error: 'MAXN' does not name a type
 int const MAXN = 200000;
                     ^
0_0_21869587_1416.cpp:8:31: error: expected unqualified-id before '=' token
 int const MAXN = 200000;
                               ^
0_0_21869587_1416.cpp:8:38: error: expected unqualified-id before numeric constant
 int const MAXN = 200000;
                                      ^
0_0_21869587_1416.cpp:9:5: error: redefinition of 'int& nbsp'
 int sum[MAXN<<2];
     ^
0_0_21869587_1416.cpp:7:5: note: 'int& nbsp' previously declared here
 int n,m;
     ^
0_0_21869587_1416.cpp:9:10: error: 'sum' does not name a type
 int sum[MAXN<<2];
          ^
0_0_21869587_1416.cpp:10:5: error: redefinition of 'int& nbsp'
 int gmax(int a,int b)
     ^
0_0_21869587_1416.cpp:7:5: note: 'int& nbsp' previously declared here
 int n,m;
     ^
0_0_21869587_1416.cpp:10:23: error: expected ')' before ';' token
 int gmax(int a,int b)
                       ^
0_0_21869587_1416.cpp:10:23: error: expected constructor, destructor, or type conversion before ';' token
0_0_21869587_1416.cpp:10:24: error: 'a' does not name a type
 int gmax(int a,int b)
                        ^
0_0_21869587_1416.cpp:10:35: error: 'b' does not name a type
 int gmax(int a,int b)
                                   ^
0_0_21869587_1416.cpp:14:6: error: cannot declare reference to 'void'
 void update(int a,int now,int L,int R,int st)
      ^
0_0_21869587_1416.cpp:14:6: error: variable or field 'nbsp' declared void
0_0_21869587_1416.cpp:14:26: error: expected ')' before ';' token
 void update(int a,int now,int L,int R,int st)
                          ^
0_0_21869587_1416.cpp:14:26: error: expected constructor, destructor, or type conversion before ';' token
0_0_21869587_1416.cpp:14:27: error: 'a' does not name a type
 void update(int a,int now,int L,int R,int st)
                           ^
0_0_21869587_1416.cpp:14:38: error: 'now' does not name a type
 void update(int a,int now,int L,int R,int st)
                                      ^
0_0_21869587_1416.cpp:14:51: error: 'L' does not name a type
 void update(int a,int now,int L,int R,int st)
                                                   ^
0_0_21869587_1416.cpp:14:62: error: 'R' does not name a type
 void update(int a,int now,int L,int R,int st)
                                                              ^
0_0_21869587_1416.cpp:14:73: error: 'st' does not name a type
 void update(int a,int now,int L,int R,int st)
                                                                         ^
0_0_21869587_1416.cpp:26:5: error: redefinition of 'int& nbsp'
 int query(int l,int r,int L,int R,int st)
     ^
0_0_21869587_1416.cpp:7:5: note: 'int& nbsp' previously declared here
 int n,m;
     ^
0_0_21869587_1416.cpp:26:24: error: expected ')' before ';' token
 int query(int l,int r,int L,int R,int st)
                        ^
0_0_21869587_1416.cpp:26:24: error: expected constructor, destructor, or type conversion before ';' token
0_0_21869587_1416.cpp:26:25: error: 'l' does not name a type
 int query(int l,int r,int L,int R,int st)
                         ^
0_0_21869587_1416.cpp:26:36: error: 'r' does not name a type
 int query(int l,int r,int L,int R,int st)
                                    ^
0_0_21869587_1416.cpp:26:47: error: 'L' does not name a type
 int query(int l,int r,int L,int R,int st)
                                               ^
0_0_21869587_1416.cpp:26:58: error: 'R' does not name a type
 int query(int l,int r,int L,int R,int st)
                                                          ^
0_0_21869587_1416.cpp:26:69: error: 'st' does not name a type
 int query(int l,int r,int L,int R,int st)
                                                                     ^
0_0_21869587_1416.cpp:37:5: error: redefinition of 'int& nbsp'
 int main()
     ^
0_0_21869587_1416.cpp:7:5: note: 'int& nbsp' previously declared here
 int n,m;
     ^
0_0_21869587_1416.cpp: In function 'int main()':
0_0_21869587_1416.cpp:39:45: error: 'n' was not declared in this scope
     while(scanf("%d%d",&n,&m)!=EOF)
                                             ^
0_0_21869587_1416.cpp:39:48: error: 'm' was not declared in this scope
     while(scanf("%d%d",&n,&m)!=EOF)
                                                ^
0_0_21869587_1416.cpp:39:49: error: 'scanf' was not declared in this scope
     while(scanf("%d%d",&n,&m)!=EOF)
                                                 ^
0_0_21869587_1416.cpp:39:52: error: 'EOF' was not declared in this scope
     while(scanf("%d%d",&n,&m)!=EOF)
                                                    ^
0_0_21869587_1416.cpp:41:53: error: 'nbsp' declared as reference but not initialized
         int a,b;
                                                     ^
0_0_21869587_1416.cpp:41:58: error: 'a' was not declared in this scope
         int a,b;
                                                          ^
0_0_21869587_1416.cpp:41:60: error: 'b' was not declared in this scope
         int a,b;
                                                            ^
0_0_21869587_1416.cpp:42:54: error: conflicting declaration 'char& nbsp'
         char t[5];
                                                      ^
0_0_21869587_1416.cpp:41:53: note: previous declaration as 'int& nbsp'
         int a,b;
                                                     ^
0_0_21869587_1416.cpp:42:59: error: 't' was not declared in this scope
         char t[5];
                                                           ^
0_0_21869587_1416.cpp:43:56: error: 'sum' was not declared in this scope
         memset(sum,0,sizeof(sum));
                                                        ^
0_0_21869587_1416.cpp:43:73: error: 'memset' was not declared in this scope
         memset(sum,0,sizeof(sum));
                                                                         ^
0_0_21869587_1416.cpp:44:57: error: 'nbsp' declared as reference but not initialized
         for(int i=1; i<=n; i++){
                                                         ^
0_0_21869587_1416.cpp:44:62: error: 'i' was not declared in this scope
         for(int i=1; i<=n; i++){
                                                              ^
0_0_21869587_1416.cpp:44:71: error: expected ')' before ';' token
         for(int i=1; i<=n; i++){
                                                                       ^
0_0_21869587_1416.cpp:44:72: error: 'i' was not declared in this scope
         for(int i=1; i<=n; i++){
                                                                        ^
0_0_21869587_1416.c


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