문제 링크
https://www.acmicpc.net/problem/17072
코드
C++
#include <iostream>
using namespace std;
int N, M;
char result[400][400];
int getIntensity(int R, int G, int B) {
return 2126 * R + 7152 * G + 722 * B;
}
int main() {
scanf("%d %d", &N, &M);
for (int i = 0; i < N; i++)
for (int j = 0; j < M; j++) {
int R, G, B;
scanf("%d %d %d", &R, &G, &B);
int intensity = getIntensity(R, G, B);
if (intensity >= 0 && intensity < 510000)
result[i][j] = '#';
else if (intensity >= 510000 && intensity < 1020000)
result[i][j] = 'o';
else if (intensity >= 1020000 && intensity < 1530000)
result[i][j] = '+';
else if (intensity >= 1530000 && intensity < 2040000)
result[i][j] = '-';
else
result[i][j] = '.';
}
for (int i = 0; i < N; i++) {
for (int j = 0; j < M; j++)
printf("%c", result[i][j]);
printf("\n");
}
return 0;
}