suTar1 - Online C Compiler & Debugging Tool

#include <stdio.h>

int main(void)
{
    double maxt1, maxv1;
    double maxt2, maxv2;
    double maxt3, maxv3;

    if (scanf("%lf,%lf", &maxt1, &maxv1) != 2)
        return 0;
    if (scanf("%lf,%lf", &maxt2, &maxv2) != 2)
        return 0;

    while (scanf("%lf,%lf", &maxt3, &maxv3) == 2) {

        if (maxv2 > maxv1 && maxv2 > maxv3) {
            printf("最大値：%lf\n時刻：%lf\n", maxv2, maxt2);
        }

        maxt1 = maxt2;
        maxv1 = maxv2;
        maxt2 = maxt3;
        maxv2 = maxv3;
    }

    return 0;
}