Submission #18741948


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#include <bits/stdc++.h>
using namespace std;
typedef signed long long ll;

#define _P(...) (void)printf(__VA_ARGS__)
#define FOR(x,to) for(x=0;x<(to);x++)
#define FORR(x,arr) for(auto& x:arr)
#define FORR2(x,y,arr) for(auto& [x,y]:arr)
#define ALL(a) (a.begin()),(a.end())
#define ZERO(a) memset(a,0,sizeof(a))
#define MINUS(a) memset(a,0xff,sizeof(a))
template<class T> bool chmax(T &a, const T &b) { if(a<b){a=b;return 1;}return 0;}
template<class T> bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;}
//-------------------------------------------------------

int N,M;

void solve() {
	int i,j,k,l,r,x,y; string s;
	
	cin>>N>>M;
	vector<int> A;
	A.push_back(0);
	FOR(i,M) {
		cin>>x;
		A.push_back(x);
	}
	A.push_back(N+1);
	sort(ALL(A));
	int mi=N;
	FOR(i,A.size()-1) {
		if(A[i+1]-A[i]>1) mi=min(mi,A[i+1]-A[i]-1);
	}
	
	if(M==N) return _P("0\n");
	int ret=0;
	FOR(i,A.size()-1) {
		if(A[i+1]-A[i]>1) ret+=(A[i+1]-A[i]-1+(mi-1))/mi;
	}
	cout<<ret<<endl;
}


int main(int argc,char** argv){
	string s;int i;
	if(argc==1) ios::sync_with_stdio(false), cin.tie(0);
	FOR(i,argc-1) s+=argv[i+1],s+='\n'; FOR(i,s.size()) ungetc(s[s.size()-1-i],stdin);
	cout.tie(0); solve(); return 0;
}

Submission Info

Submission Time
Task D - Stamp
User kmjp
Language C++ (GCC 9.2.1)
Score 400
Code Size 1248 Byte
Status AC
Exec Time 45 ms
Memory 4288 KB

Compile Error

./Main.cpp: In function ‘void solve()’:
./Main.cpp:6:28: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::vector<int>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
    6 | #define FOR(x,to) for(x=0;x<(to);x++)
      |                            ^
./Main.cpp:31:2: note: in expansion of macro ‘FOR’
   31 |  FOR(i,A.size()-1) {
      |  ^~~
./Main.cpp:6:28: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::vector<int>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
    6 | #define FOR(x,to) for(x=0;x<(to);x++)
      |                            ^
./Main.cpp:37:2: note: in expansion of macro ‘FOR’
   37 |  FOR(i,A.size()-1) {
      |  ^~~
./Main.cpp:19:8: warning: unused variable ‘j’ [-Wunused-variable]
   19 |  int i,j,k,l,r,x,y; string s;
      |        ^
./Main.cpp:19:10: warning: unused variable ‘k’ [-Wunused-variable]
   19 |  int i,j,k,l,r,x,y; string s;
      |          ^
./Main.cpp:19:12: warning: unused variable ‘l’ [-Wunused-variable]
   19 |  int i,j,k,l,r,x,y; string s;
      |            ^
./Main.cpp:19:14: warning: unused variable ‘r’ [-Wunused-variable]
   19 |  int i,j,k,l,r,x,y; string s;
      |              ^
./Main.cpp:19:18: warning: unused variable ‘y’ [-Wunused-variable]
   19 |  int i,j,k,l,r,x,y; string s;
      |                  ^
./Main.cpp: In function ‘int main(int, char**)’:
./Main.cpp:6:28: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
    6 | #define FOR(x,to) for(x=0;x<(to);x++)
      |                            ^
./Main.cpp:47:38: note: in expansion of macro ‘FOR’
   47 |  FOR(i,argc-1) s+=argv[i+1],s+='\n'; FOR(i,s.size()) ungetc(s[s.size()-1-i],stdin);
      |                                      ^~~

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 4
AC × 30
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt
All handmade_00.txt, handmade_01.txt, random_00.txt, random_01.txt, random_02.txt, random_03.txt, random_04.txt, random_05.txt, random_06.txt, random_07.txt, random_08.txt, random_09.txt, random_10.txt, random_11.txt, random_12.txt, random_13.txt, random_14.txt, random_15.txt, random_16.txt, random_17.txt, random_18.txt, random_19.txt, random_20.txt, random_21.txt, random_22.txt, random_23.txt, sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt
Case Name Status Exec Time Memory
handmade_00.txt AC 5 ms 3656 KB
handmade_01.txt AC 2 ms 3572 KB
random_00.txt AC 3 ms 3604 KB
random_01.txt AC 3 ms 3512 KB
random_02.txt AC 31 ms 3664 KB
random_03.txt AC 42 ms 4108 KB
random_04.txt AC 5 ms 3620 KB
random_05.txt AC 25 ms 3716 KB
random_06.txt AC 45 ms 4128 KB
random_07.txt AC 2 ms 3648 KB
random_08.txt AC 2 ms 3648 KB
random_09.txt AC 41 ms 4288 KB
random_10.txt AC 2 ms 3612 KB
random_11.txt AC 35 ms 3716 KB
random_12.txt AC 2 ms 3580 KB
random_13.txt AC 2 ms 3560 KB
random_14.txt AC 33 ms 4220 KB
random_15.txt AC 34 ms 4104 KB
random_16.txt AC 2 ms 3616 KB
random_17.txt AC 4 ms 3588 KB
random_18.txt AC 45 ms 4096 KB
random_19.txt AC 3 ms 3520 KB
random_20.txt AC 2 ms 3648 KB
random_21.txt AC 9 ms 3708 KB
random_22.txt AC 2 ms 3592 KB
random_23.txt AC 10 ms 3572 KB
sample_01.txt AC 2 ms 3612 KB
sample_02.txt AC 2 ms 3572 KB
sample_03.txt AC 2 ms 3616 KB
sample_04.txt AC 2 ms 3616 KB