What is for dinner?
2013-02-23 09:49
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点击打开链接What is for dinner?
1、题目大意:鲨鱼要吃鲫鱼,但他的牙齿出现了问题,吃鱼有规则,吃一条鱼只用一行牙齿,所以现在他的每一行牙齿都有生命指数,每用吃一条鱼,所用的这一行牙齿生命指数就要减1,在保证鲨鱼牙齿生命指数不是负数的情况下,求鲨鱼最多可以吃多少条鱼;
题目很简单,只要求出每一行最小的生命指数相加即可,最后得判断此数是不是超出了鲫鱼总的数量
2、代码:
1、题目大意:鲨鱼要吃鲫鱼,但他的牙齿出现了问题,吃鱼有规则,吃一条鱼只用一行牙齿,所以现在他的每一行牙齿都有生命指数,每用吃一条鱼,所用的这一行牙齿生命指数就要减1,在保证鲨鱼牙齿生命指数不是负数的情况下,求鲨鱼最多可以吃多少条鱼;
题目很简单,只要求出每一行最小的生命指数相加即可,最后得判断此数是不是超出了鲫鱼总的数量
2、代码:
#include<stdio.h> #include<string.h> int sum[1005]; int main() { int n,m,k,max=0,a,b; memset(sum,-1,sizeof(sum)); scanf("%d%d%d",&n,&m,&k); for(int i=0;i<n;i++) { scanf("%d%d",&a,&b); if(sum[a]==-1||b==0) sum[a]=b; if(sum[a]!=-1&&sum[a]>=b) sum[a]=b; } for(int i=1;i<=m;i++) max+=sum[i]; if(max<=k) printf("%d\n",max); else printf("%d\n",k); return 0; } /* 4 3 18 2 3 1 2 3 6 2 3 2 2 13 1 13 2 12 */ /* 7 1 30 1 8 1 15 1 5 1 17 1 9 1 16 1 16 */ /* 26 2 10 2 0 2 0 2 3 1 4 1 2 1 2 2 2 2 2 2 1 2 1 2 0 2 3 2 3 2 3 1 2 1 3 1 1 1 4 2 1 1 2 2 5 2 3 2 1 1 0 1 0 2 3 */
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