Submission #341125

#	Time	Username	Problem	Language	Result	Execution time	Memory
341125		beksultan04	UFO (IZhO14_ufo)	C++14	30 / 100	2099 ms	9068 KiB

ufo

#include <bits/stdc++.h>
using namespace std;
//#define int long long
#define pii pair<int,int>
#define OK puts("OK");
#define NO puts("NO");
#define YES puts("YES");
#define fr first
#define sc second
#define ret return
#define scanl(a) scanf("%lld",&a);
#define scanll(a,b) scanf("%lld %lld",&a, &b);
#define scanlll(a,b,c) scanf("%lld %lld %lld",&a,&b,&c);
#define scan1(a) scanf("%d",&a);
#define scan2(a,b) scanf("%d %d",&a, &b);
#define scan3(a,b,c) scanf("%d %d %d",&a,&b,&c);
#define all(s) s.begin(),s.end()
#define allr(s) s.rbegin(),s.rend()
#define pb push_back
#define sz(v) (int)v.size()
#define endi puts("");
#define eps 1e-12
const int N = 1e6+12,INF=1e9+7;


main(){
    int n,m,i,j,r,t,p,mx=0;
    vector <vector <int> > q;
    scan3(n,m,r)
    scan2(t,p)
    q.resize(n+1);
    for (i=0;i<=n;++i){
        q[i].resize(m+1);
        for (j=0;j<=m;++j){
            q[i][j]=0;
        }
    }
    for (i=1;i<=n;++i){
        for (j=1;j<=m;++j){
            scan1(q[i][j])
        }
    }
    while (t--){
        char ch;
        int x,y;
        cin>>ch>>x>>y;
        if (ch == 'N'){
            int kanca = r;
            i=1;
            while (kanca > 0 && i <= n){
                if (q[i][x] >= y){
                    q[i][x]--;
                    kanca--;
                }
                i++;
            }
        }
        if (ch == 'E'){

            int kanca = r;
            i=m;
            while (kanca > 0 && i >0 ){
                if (q[x][i] >= y){
                    q[x][i]--;
                    kanca--;
                }
                i--;
            }
        }
        if (ch == 'S'){

            int kanca = r;
            i=n;
            while (kanca > 0 && i > 0){
                if (q[i][x] >= y){
                    q[i][x]--;
                    kanca--;
                }
                i--;
            }
        }
        if (ch == 'W'){

            int kanca = r;
            i=1;
            while (kanca > 0 && i <=m ){
                if (q[x][i] >= y){
                    q[x][i]--;
                    kanca--;
                }
                i++;
            }
        }
    }
    for (i=1;i<=n;++i){
        for (j=1;j<=m;++j){
            q[i][j] = q[i-1][j]+q[i][j-1]-q[i-1][j-1]+q[i][j];
        }
    }
    for (i=1;i<=n;++i){
        for (j=1;j<=m;++j){
            int ans=0,x=i,y=j;
            ans+=q[x][y];
            ans+=q[max(x-p,0)][max(y-p,0)];
            ans-=q[max(x-p,0)][y];
            ans-=q[x][max(y-p,0)];
            mx = max(ans,mx);

        }
    }
    cout <<mx;
}

Compilation message (stderr)

ufo.cpp:26:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   26 | main(){
      |      ^
ufo.cpp: In function 'int main()':
ufo.cpp:16:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   16 | #define scan3(a,b,c) scanf("%d %d %d",&a,&b,&c);
      |                      ~~~~~^~~~~~~~~~~~~~~~~~~~~
ufo.cpp:29:5: note: in expansion of macro 'scan3'
   29 |     scan3(n,m,r)
      |     ^~~~~
ufo.cpp:15:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   15 | #define scan2(a,b) scanf("%d %d",&a, &b);
      |                    ~~~~~^~~~~~~~~~~~~~~~
ufo.cpp:30:5: note: in expansion of macro 'scan2'
   30 |     scan2(t,p)
      |     ^~~~~
ufo.cpp:14:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   14 | #define scan1(a) scanf("%d",&a);
      |                  ~~~~~^~~~~~~~~
ufo.cpp:40:13: note: in expansion of macro 'scan1'
   40 |             scan1(q[i][j])
      |             ^~~~~

• Subtask 1: 30 / 100