Submission #1175437

#	Time	Username	Problem	Language	Result	Execution time	Memory
1175437		AlgorithmWarrior	Aliens (IOI16_aliens)	C++20	0 / 100	0 ms	324 KiB

aliens

#include "aliens.h"
#include <bits/stdc++.h>

using namespace std;

bool fol[55][105];
int diag[205];

void maxself(int& x,int val){
    if(x<val)
        x=val;
}

void umple(int nr1,int nr2){
    int i,j;
    for(i=nr1;i<=nr2;++i)
        for(j=nr1;j<=nr2;++j)
            fol[i][j]=1;
}

long long take_photos(int n,int m,int k,vector<int>r,vector<int>c){
    int i,j;
    for(i=1;i<2*m;++i)
        diag[i]=-1;
    for(i=0;i<n;++i){
        int lin=r[i];
        int col=c[i];
        maxself(diag[lin+col-1],abs(lin-col));
    }
    for(i=1;i<2*m;++i)
        if(diag[i]>-1)
            umple((i-diag[i]+1)/2,(i+diag[i]+1)/2);
    int cnt=0;
    for(i=1;i<=m;++i)
        for(j=1;j<=m;++j)
            cnt+=fol[i][j];
    return cnt;
}

Compilation message (stderr)

aliens.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
aliens_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

• Subtask 1: 0 / 4
• Subtask 2: 0 / 12
• Subtask 3: 0 / 9
• Subtask 4: 0 / 16
• Subtask 5: 0 / 19
• Subtask 6: 0 / 40