Submission #405798

#	Time	Username	Problem	Language	Result	Execution time	Memory
405798		ly20	Packing Biscuits (IOI20_biscuits)	C++17	0 / 100	1081 ms	332 KiB

biscuits

#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;

const int MAXN = 40, INF = 1e9;

int mc[MAXN];

long long count_tastiness(long long x, vector<long long> a) {
	long long resp = 0;
	for(int j  = 0; j <= 100000; j++) {
        for(int i = 0; i < a.size(); i++) {
            mc[i] = a[i];
        }
        bool ok = true;
        for(int i = 17; i >= 0; i--) {
            long long rq = x;
            if((1LL << i) & j == 0) continue;
            for(int k = i; k >= 0; k--) {
                if(rq > INF) break;
                if(mc[i] <= rq) {
                    rq -= mc[i];
                    mc[i] = 0;
                }
                if(mc[i] > rq) {
                    rq = 0;
                    mc[i] -= rq;
                }
                rq *= 2;
            }
            if(rq != 0) ok = false;
        }
        if(ok) resp++;
	}
	return resp;
}

Compilation message (stderr)

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:12:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |         for(int i = 0; i < a.size(); i++) {
      |                        ~~^~~~~~~~~~
biscuits.cpp:18:31: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   18 |             if((1LL << i) & j == 0) continue;
      |                             ~~^~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 21
• Subtask 4: 0 / 35
• Subtask 5: 0 / 23