Submission #898743

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Source Code Expand

#include <cstdlib>
#include <cmath>
#include <climits>
#include <cfloat>
#include <map>
#include <utility>
#include <set>
#include <iostream>
#include <memory>
#include <string>
#include <vector>
#include <algorithm>
#include <functional>
#include <sstream>
#include <deque>
#include <complex>
#include <stack>
#include <queue>
#include <cstdio>
#include <cctype>
#include <cstring>
#include <ctime>
#include <iterator>
#include <bitset>
#include <numeric>
#include <list>
#include <iomanip>
#include <cassert>

#if __cplusplus >= 201103L
#include <array>
#include <tuple>
#include <initializer_list>
#include <unordered_set>
#include <unordered_map>
#include <forward_list>

#define cauto const auto&
#define ALL(v) begin(v),end(v)
#else
#define ALL(v) (v).begin(),(v).end()
#endif

using namespace std;


namespace{
typedef long long LL;
typedef pair<int,int> pii;
typedef pair<LL,LL> pll;

typedef vector<int> vint;
typedef vector<vector<int> > vvint;
typedef vector<long long> vll, vLL;
typedef vector<vector<long long> > vvll, vvLL;

#define VV(T) vector<vector< T > >

template <class T>
void initvv(vector<vector<T> > &v, int a, int b, const T &t = T()){
	v.assign(a, vector<T>(b, t));
}

template <class F, class T>
void convert(const F &f, T &t){
	stringstream ss;
	ss << f;
	ss >> t;
}


#define REP(i,n) for(int i=0;i<int(n);++i)
#define RALL(v) (v).rbegin(),(v).rend()


#define MOD 1000000007LL
#define EPS 1e-8


void mainmain(){
	int n, m, q;
	scanf("%d%d%d", &n, &m, &q);
	vint as(q);
	for(int i = 0; i < q; ++i){
		scanf("%d", &as[i]);
		--as[i];
	}

	vint vis(m);
	vector<int> seq;
	for(int i = q; i--; ){
		if(!vis[as[i]]){
			vis[as[i]] = 1;
			seq.push_back(as[i]);
		}
	}
	for(int i = 0; i < m; ++i){
		if(!vis[i]){ seq.push_back(i); }
	}
	vint rtbl(m);
	for(int i = 0; i < m; ++i){
		rtbl[seq[i]] = i;
	}

	vint cnt(m + 1);
	cnt[0] = n;
	for(int i = q; i--; ){
		int x = rtbl[as[i]];
		if(cnt[x] > 0){
			--cnt[x];
			++cnt[x + 1];
		}
	}

	int minidx;
	for(minidx = 0; !cnt[minidx]; ++minidx);
	vis.assign(m, 0);
	vint seq2;
	for(int i = 0; i < minidx; ++i){
		seq2.push_back(seq[i]);
		vis[seq[i]] = 1;
	}
	for(int i = 0; i < m; ++i){
		if(!vis[i]){
			seq2.push_back(i);
		}
	}

	puts(seq == seq2 ? "Yes" : "No");
}



}
int main() try{
//	ios::sync_with_stdio(false); cin.tie(0);
	cout << fixed << setprecision(10);
	cerr << fixed << setprecision(4);
	mainmain();
}
catch(...){}

Submission Info

Compile Error

./Main.cpp: In function ‘void {anonymous}::mainmain()’:
./Main.cpp:82:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d", &n, &m, &q);
                             ^
./Main.cpp:85:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &as[i]);
                      ^

Judge Result