题解 | #最大的两个数#

#include <stdio.h>

int outPutData[2][5];

void judgeMaxTwo(int a, int b, int c, int d, int col) {
    int temp = 0;
    int array[4] = {a, b, c, d};
    for (int i = 0; i < 3; i++) {
        for (int j = 0; j < 4 - i - 1; j++) {
            if (array[j] > array[j + 1]) {
                temp = array[j + 1];
                array[j + 1] = array[j];
                array[j] = temp;
            }
        }
    }
    int max2 = array[3], max1=array[2];

    int index1 = -1, index2 = -1;
    int array2[4] = {a, b, c, d};
    for (int i = 0; i < 4; i++) {
        if (array2[i] == max1) {
            index1 = i;
            break;
        }
    }
    for (int i = 0; i < 4; i++) {
        if (array2[i] == max2&&i!=index1) {
            index2 = i;
            break;
        }
    }
    if(index1<index2){
        outPutData[0][col]=array2[index1];
        outPutData[1][col]=array2[index2];
    }else{
        outPutData[0][col]=array2[index2];
        outPutData[1][col]=array2[index1];
    }

}

int main() {
    int i, j, cnt = 0;
    int data[4][5];
    while (scanf("%d %d %d %d %d", &data[cnt][0], &data[cnt][1], &data[cnt][2],
                 &data[cnt][3], &data[cnt][4]) != EOF) { // 注意 while 处理多个 case
        cnt++;
        scanf("%d %d %d %d %d", &data[cnt][0], &data[cnt][1], &data[cnt][2],
              &data[cnt][3], &data[cnt][4]);
        cnt++;
        scanf("%d %d %d %d %d", &data[cnt][0], &data[cnt][1], &data[cnt][2],
              &data[cnt][3], &data[cnt][4]);
        cnt++;
        scanf("%d %d %d %d %d", &data[cnt][0], &data[cnt][1], &data[cnt][2],
              &data[cnt][3], &data[cnt][4]);

        //测试输出数组
        // for(i=0;i<4;i++){
        //     for(j=0;j<5;j++){
        //         printf("%d ",data[i][j]);
        //     }
        //     printf("\n");
        // }

        for (i = 0; i < 5; i++) {
            judgeMaxTwo(data[0][i], data[1][i], data[2][i], data[3][i], i);
        }

        for (i = 0; i < 2; i++) {
            for (j = 0; j < 5; j++) {
                printf("%d ", outPutData[i][j]);
            }
            printf("\n");
        }
    }
    return 0;
}