Submission #38275

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
38275	2018-01-03 10:38:38	Just_Solve_The_Problem	Bootfall (IZhO17_bootfall)	C++11	100 / 100	359 ms	4116 KiB

bootfall

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#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define ok puts("ok");
const int NN = 505;
const int N = NN * NN;
int a[NN];
int dp[N];
bool used[NN], can[N];
int sum;
void add (int v) {
    for (int i = sum; i >= 0; i--) {
        dp[i + v] += dp[i];
    }
    sum += v;
}
void del (int v) {
    sum -= v;
    for (int i = 0; i <= sum; i++) {
        dp[i + v] -= dp[i];
    }
}
main () {
 
 
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Compilation message (stderr)

bootfall.cpp:30:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main () {
       ^
bootfall.cpp: In function 'int main()':
bootfall.cpp:31:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     int n; scanf ("%d", &n);
                            ^
bootfall.cpp:34:28: 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