제출 #887136

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
8871362023-12-13 21:03:49MilosMilutinovicWorm Worries (BOI18_worm)C++14
63 / 100
18 ms1756 KiB
/* https://boi2018.progolymp.se/spoiler-day1.pdf */
#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,n) for (int i=a;i<n;i++)
#define per(i,a,n) for (int i=n-1;i>=a;i--)
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define fi first
#define se second
#define SZ(x) ((int)(x).size())
typedef vector<int> VI;
typedef basic_string<int> BI;
typedef long long ll;
typedef pair<int,int> PII;
typedef double db;
mt19937 mrand(random_device{}());
const ll mod=998244353;
int rnd(int x) { return mrand() % x;}
ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;}
ll gcd(ll a,ll b) { return b?gcd(b,a%b):a;}
// head
int n,m,k,q;
map<array<int,3>,int> val;
int ask(int x,int y,int z) {
if (x<1||x>n||y<1||y>m||z<1||z>k) return 0;
if (!val.count({x,y,z})) {
 
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컴파일 시 표준 에러 (stderr) 메시지

worm.cpp: In function 'int ask(int, int, int)':
worm.cpp:33:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |   scanf("%d",&val[{x,y,z}]);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~
worm.cpp: In function 'int main()':
worm.cpp:50:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   50 |  scanf("%d%d%d%d",&n,&m,&k,&q);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
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