Submission #1022396

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1022396	2024-07-13 12:47:35	phoenix	Bootfall (IZhO17_bootfall)	C++17	28 / 100	1072 ms	16228 KiB

bootfall

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#include <bits/stdc++.h>
 
using namespace std;
 
const int MOD1 = 1e9 + 7;
const int MOD2 = 998244353;
const int MOD3 = 999990011;
const int MOD4 = 1e9 + 9;
 
template<unsigned int MOD> 
struct mint {
    int v;
    mint() {}
    mint(long long val) : v(val - (val >= MOD) * MOD + (val < 0) * MOD) {}
    mint<MOD>& operator += (mint<MOD> other) {
        *this = mint(v + other.v);
        return *this;
    }
    mint<MOD>& operator -= (mint<MOD> other) {
        *this = mint(v - other.v);
        return *this;
    }
};
const int N = 550;
const int A = 250000;
 
mint<MOD1> dp1[A]{1};
mint<MOD2> dp2[A]{1};
mint<MOD3> dp3[A]{1};
mint<MOD4> dp4[A]{1};
 
 
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Compilation message (stderr)

bootfall.cpp: In function 'int main()':
bootfall.cpp:96:32: warning: suggest parentheses around '-' inside '>>' [-Wparentheses]
   96 |                 if (!check(sum - x >> 1) && !check(sum + x >> 1)) {
      |                            ~~~~^~~
bootfall.cpp:96:56: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   96 |                 if (!check(sum - x >> 1) && !check(sum + x >> 1)) {
      |                                                    ~~~~^~~

• Subtask 1: 6 / 6
• Subtask 2: 7 / 7
• Subtask 3: 15 / 15
• Subtask 4: 0 / 16
• Subtask 5: 0 / 21
• Subtask 6: 0 / 35