Submission #95519

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
95519	2019-02-01 17:58:57	choikiwon	Bootfall (IZhO17_bootfall)	C++17	100 / 100	486 ms	2168 KiB

bootfall

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#include<bits/stdc++.h>
using namespace std;
const int MN = 502;
const int SQ = 22;
int N;
int A[MN];
bitset<MN * MN> dp, tmp;
int cnt[MN * MN];
int main() {
    scanf("%d", &N);
    int sum = 0;
    for(int i = 0; i < N; i++) {
        scanf("%d", &A[i]);
        sum += A[i];
    }
    if(sum % 2) {
        printf("0");
        return 0;
    }
    dp[0] = 1;
    for(int i = 0; i < N; i++) {
        dp |= (dp << A[i]);
    }
    if(!dp[sum / 2]) {
        printf("0");
 
 
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Compilation message (stderr)

bootfall.cpp: In function 'int main()':
bootfall.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &N);
     ~~~~~^~~~~~~~~~
bootfall.cpp:17:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &A[i]);
         ~~~~~^~~~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 7 / 7
• Subtask 3: 15 / 15
• Subtask 4: 16 / 16
• Subtask 5: 21 / 21
• Subtask 6: 35 / 35