Submission #67617

#	Time	Username	Problem	Language	Result	Execution time	Memory
67617		imsifile	Nectar with Coconut Jelly (FXCUP3_nectar)	C++98	100 / 100	543 ms	1456 KiB

nectar

#include<stdio.h>
#include<vector>
using namespace std;

typedef long long lld;

struct rle {
	int a, rpt;
	rle(int a_=0, int rpt_=0) : a(a_), rpt(rpt_) {}
};

int N, J, R, T;
vector<rle> v[2];
lld sum;

int ce(int a){ return (a+R-1)/R; }
void push(int ix, rle k){
	if(k.rpt == 0) return;
	if(v[ix].empty()){ v[ix].push_back(k); return; }
	int last=v[ix].size()-1;
	if(v[ix][last].a == k.a) v[ix][last].rpt += k.rpt;
	else v[ix].push_back(k);
}

int main(){
	scanf("%d%d%d%d", &N, &J, &R, &T);
	if(J > 300*R) return 0;
	if(N==1){ printf("%d\n", J); return 0; }
	push(0, rle(J, N-1)), sum=J;
	int cur=0;
	for(int i=T; i--;){
		if(v[cur].size() == 1 && v[cur][0].a == 0) break;
		sum += ce(v[cur][0].a);
		for(int j=0; j<v[cur].size(); j++){
			rle r = v[cur][j]; int com = 0;
			if(j<v[cur].size()-1) com=v[cur][j+1].a;
			push(cur^1, rle(r.a, r.rpt-1));
			push(cur^1, rle(r.a-ce(r.a)+ce(com), 1));
		}
		v[cur].clear(); cur^=1;
	}
	for(int i=v[cur].size(); i--;){
		for(int j=v[cur][i].rpt; j--;) printf("%d\n", v[cur][i].a);
	}
	printf("%lld\n", sum);
	return 0;
}

Compilation message (stderr)

nectar.cpp: In function 'int main()':
nectar.cpp:34:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j=0; j<v[cur].size(); j++){
                ~^~~~~~~~~~~~~~
nectar.cpp:36:8: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if(j<v[cur].size()-1) com=v[cur][j+1].a;
       ~^~~~~~~~~~~~~~~~
nectar.cpp:26:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d%d", &N, &J, &R, &T);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 85 / 85