50155. Iron Block in Tank
難度：3/5
因為假使挑快一定沈下（水就會浮上來），所以如果tank_area == block_area時應該要看tank跟block的高度，來決定有多少水在槽內。1
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28#include <stdio.h>
int main() {
int a, b, c, d, e, f, g;
scanf("%d%d%d%d%d%d%d", &a, &b, &c, &d, &e, &f, &g);
int water = a * b * d;
int tank_area = a * b;
int block_area = e * f;
int depth;
if(water == 0) printf("0\n");
else{
if(tank_area == block_area) {
if(g >= c) depth = 0;
else depth = g + water / tank_area;
}
else{
int remain_area = tank_area - block_area;
if(water <= remain_area * g) depth = water / remain_area;
else depth = g + (water - remain_area * g) / tank_area;
}
if(depth >= c) depth = c;
printf("%d\n", depth);
}
}