K_程式人

https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2450

#include <stdio.h>

#include <algorithm>

using namespace std;

int main(void) {

    int TC, edge[4], i, quad;

    scanf("%d", &TC);

    while (TC--) {

        for (i = 0; i < 4; i++)

            scanf("%d", edge + i);

        sort(edge, edge + 4);

        if (edge[0] == edge[1] && edge[1] == edge[2] && edge[2] == edge[3])

            printf("square\n");

        else if (edge[0] == edge[1] && edge[2]==edge[3])

            printf("rectangle\n");

        else if (edge[0] + edge[1] + edge[2] > edge[3])

            printf("quadrangle\n");

        else

            printf("banana\n");

    }

    return 0;

}