Submission #19724846

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Source Code Expand

#include <iostream> 
using namespace std;
int N,M,T,time,last;
int main()
{
	cin>>N>>M>>T;
	last=N;
	for(int i=1;i<=M;i++)
    {
    	int A,B;
    	cin>>A>>B;
    	last-=A-time;
    	if(last<1){
    		cout<<"No";
    		return 0;
        }
    	time=B;
    	last+=B-A;
    	if(last>=N)
    		last=N;	
	}
    last-=T-time;
    if(last<1)
    		cout<<"No";
    else
    	cout<<"Yes";
    
    
    
    
    return 0;
}

Submission Info

Compile Error

./Main.cpp:3:11: error: ‘int time’ redeclared as different kind of entity
    3 | int N,M,T,time,last;
      |           ^~~~
In file included from /usr/include/pthread.h:24,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:35,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/gthr.h:148,
                 from /usr/include/c++/9/ext/atomicity.h:35,
                 from /usr/include/c++/9/bits/ios_base.h:39,
                 from /usr/include/c++/9/ios:42,
                 from /usr/include/c++/9/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from ./Main.cpp:1:
/usr/include/time.h:75:15: note: previous declaration ‘time_t time(time_t*)’
   75 | extern time_t time (time_t *__timer) __THROW;
      |               ^~~~
./Main.cpp: In function ‘int main()’:
./Main.cpp:12:13: error: invalid operands of types ‘int’ and ‘time_t(time_t*) noexcept’ {aka ‘long int(long int*) noexcept’} to binary ‘operator-’
   12 |      last-=A-time;
      |            ~^~~~~
      |            | |
      |            | time_t(time_t*) noexcept {aka long int(long int*) noexcept}
      |            int
./Main.cpp:17:10: error: assignment of function ‘time_t time(time_t*)’
   17 |      time=B;
      |      ~~~~^~
./Main.cpp:22:12: error: invalid operands of types ‘int’ and ‘time_t(time_t*) noexcept’ {aka ‘long int(long int*) noexcept’} to binary ‘operator-’
   22 |     last-=T-time;
      |           ~^~~~~
      |           | |
      |           | time_t(time_t*) noexcept {aka long int(long int*) noexcept}
      |           int